time

Time is the movement from past to present to future. You can tell time with a clock, and it takes time to do anything.

You can have a great time at a party, serve time in jail, or keep time while making music. You can time the runners in a race by keeping track of how long it takes them to finish. Time flies when you're having fun, but sometimes it feels like you have all the time in the world. It's hard to find the right time for some things — like proposing marriage. When you die, your time has run out.

PRIMARY MEANINGS OF: time

1
n
the continuum of experience in which events pass from the future through the present to the past
2
nv
an indefinite period (usually marked by specific attributes or activities)
measure the time or duration of an event or action or the person who performs an action in a certain period of time
3
nv
a reading of a point in time as given by a clock
regulate or set the time of
4
n
a person's experience on a particular occasion
5
n
rhythm as given by division into parts of equal duration
FULL DEFINITIONS OF: time
1

n the continuum of experience in which events pass from the future through the present to the past

Examples:
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Phanerozoic aeon
the period from about 5,400 million years ago until the present
Age of Mammals
approximately the last 63 million years
Quaternary period
last 2 million years
Holocene epoch
approximately the last 10,000 years
Pleistocene epoch
from two million to 11 thousand years ago; extensive glaciation of the northern hemisphere; the time of human evolution
Tertiary period
from 63 million to 2 million years ago
Pliocene epoch
from 13 million to 2 million years ago; growth of mountains; cooling of climate; more and larger mammals
Miocene epoch
from 25 million to 13 million years ago; appearance of grazing mammals
Oligocene epoch
from 40 million to 25 million years ago; appearance of sabertoothed cats
Eocene epoch
from 58 million to 40 million years ago; presence of modern mammals
Paleocene epoch
from 63 million to 58 million years ago; appearance of birds and earliest mammals
Age of Reptiles
from 230 million to 63 million years ago
Cretaceous period
from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
Jurassic period
from 190 million to 135 million years ago; dinosaurs; conifers
Triassic period
from 230 million to 190 million years ago; dinosaurs, marine reptiles; volcanic activity
Paleozoic era
from 544 million to about 230 million years ago
Permian period
from 280 million to 230 million years ago; reptiles
Carboniferous period
from 345 million to 280 million years ago
Upper Carboniferous period
from 310 million to 280 million years ago; warm climate; swampy land
Lower Carboniferous period
from 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects
Devonian period
from 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites
Silurian period
from 425 million to 405 million years ago; first air-breathing animals
Ordovician period
from 500 million to 425 million years ago; conodonts and ostracods and algae and seaweeds
Cambrian period
from 544 million to about 500 million years ago; marine invertebrates
Precambrian period
the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
Proterozoic aeon
from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms
Archaeozoic aeon
the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
Priscoan aeon
the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life
Types:
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geologic time, geological time
the time of the physical formation and development of the earth (especially prior to human history)
biological time
the time of various biological processes
cosmic time
the time covered by the physical formation and development of the universe
civil time, local time, standard time
the official time in a local region (adjusted for location around the Earth); established by law or custom
daylight saving, daylight savings, daylight-saving time, daylight-savings time
time during which clocks are set one hour ahead of local standard time; widely adopted during summer to provide extra daylight in the evenings
nowadays, present
the period of time that is happening now; any continuous stretch of time including the moment of speech
past, past times, yesteryear
the time that has elapsed
future, futurity, hereafter, time to come
the time yet to come
musical time
(music) the beat of musical rhythm
continuum
a continuous nonspatial whole or extent or succession in which no part or portion is distinct or distinguishable from adjacent parts
GMT, Greenwich Mean Time, Greenwich Time, UT, UT1, universal time
the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere
continuance, duration
the property of enduring or continuing in time
eternity, infinity
time without end
beat, musical rhythm, rhythm
the basic rhythmic unit in a piece of music
now
the momentary present
here and now, moment, present moment
at this time
date
the present
yore
time long past
bygone, water under the bridge
past events to be put aside
old
past times (especially in the phrase `in days of old')
history
the aggregate of past events
kingdom come
the end of time
history
the continuum of events occurring in succession leading from the past to the present and even into the future
UTC, coordinated universal time
Greenwich Mean Time updated with leap seconds
Atlantic Standard Time, Atlantic Time
standard time in the 4th time zone west of Greenwich, reckoned at the 60th meridian; used in Puerto Rico and the Virgin Islands and Bermuda and the Canadian Maritime Provinces
EST, Eastern Standard Time, Eastern Time
standard time in the 5th time zone west of Greenwich, reckoned at the 75th meridian; used in the eastern United States
CST, Central Standard Time, Central Time
standard time in the 6th time zone west of Greenwich, reckoned at the 90th meridian; used in the central United States
MST, Mountain Standard Time, Mountain Time
standard time in the 7th time zone west of Greenwich, reckoned at the 105th meridian west; used in the mountain states of the United States
PST, Pacific Standard Time, Pacific Time
standard time in the 8th time zone west of Greenwich, reckoned at the 120th meridian west; used in far western states of the United States
Alaska Standard Time, Yukon Time
standard time in the 9th time zone west of Greenwich, reckoned at the 135th meridian west; used in Hawaii and most of Alaska
Hawaii Standard Time, Hawaii Time
standard time in the 10th time zone west of Greenwich, reckoned at the 150th meridian west; used in Hawaii and the western Aleutian Islands
Bering Standard Time, Bering Time
standard time in the 11th time zone west of Greenwich, reckoned at the 165th meridian west; used in the Midway Islands
nonce, time being
the present occasion
circadian rhythm
a daily cycle of activity observed in many living organisms
change of life, climacteric, menopause
the time in a woman's life in which the menstrual cycle ends
climacteric
a period in a man's life corresponding to menopause
sidereal time
measured by the diurnal motion of stars
solstice
either of the two times of the year when the sun is at its greatest distance from the celestial equator
equinox
either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length
gestation, gestation period
the period during which an embryo develops (about 266 days in humans)
refractory period
(neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response
aeon, eon
the longest division of geological time
alpha and omega
the first and last; signifies God's eternity
geological period, period
a unit of geological time during which a system of rocks formed
era, geological era
a major division of geological time; an era is usually divided into two or more periods
epoch
a unit of geological time that is a subdivision of a period and is itself divided into ages
time immemorial, time out of mind
the distant past beyond memory
auld langsyne, good old days, langsyne, old times
past times remembered with nostalgia
by-and-by
an indefinite time in the future
today
the present time or age
tonight
the present or immediately coming night
yesterday
the recent past
offing
the near or foreseeable future
tomorrow
the near future
manana
an indefinite time in the future
common measure, common time, four-four time, quadruple time
a time signature indicating four beats to the bar
duple time
musical time with two beats in each bar
triple time
musical time with three beats in each bar
pacing, tempo
(music) the speed at which a composition is to be played
in time
in the correct rhythm
Type of:
attribute
an abstraction belonging to or characteristic of an entity

n the fourth coordinate that is required (along with three spatial dimensions) to specify a physical event

Synonyms:
fourth dimension
Type of:
dimension
the magnitude of something in a particular direction (especially length or width or height)
2

n an indefinite period (usually marked by specific attributes or activities)

“he waited a long time
“the time of year for planting”
“he was a great actor in his time
Types:
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day
some point or period in time
dead
a time when coldness (or some other quality associated with death) is intense
hard times
a time of difficulty
incarnation
time passed in a particular bodily form
wee
a short time
patch, piece, spell, while
a period of indeterminate length (usually short) marked by some action or condition
bit, minute, mo, moment, second
an indefinitely short time
ephemera
something transitory; lasting a day
space age
the age beginning with the first space travel; from 1957 to the present
Day of Judgement, Day of Judgment, Doomsday, Judgement Day, Judgment Day, Last Day, Last Judgement, Last Judgment, crack of doom, day of reckoning, doomsday, end of the world, eschaton
(New Testament) day at the end of time following Armageddon when God will decree the fates of all individual humans according to the good and evil of their earthly lives
off-day
a day when things go poorly
cold snap, cold spell
a spell of cold weather
hot spell
a spell of hot weather
New York minute, blink of an eye, flash, heartbeat, instant, jiffy, split second, trice, twinkling, wink
a very short time (as the time it takes the eye to blink or the heart to beat)
snap
a spell of cold weather
Type of:
period, period of time, time period
an amount of time

n an instance or single occasion for some event

“this time he succeeded”
“he called four times
Synonyms:
clip
Type of:
case, example, instance
an occurrence of something

n a period of time considered as a resource under your control and sufficient to accomplish something

“take time to smell the roses”
“I didn't have time to finish”
“it took more than half my time
Type of:
period, period of time, time period
an amount of time

n the period of time a prisoner is imprisoned

“he is doing time in the county jail”
Synonyms:
prison term, sentence
Types:
hard time
a term served in a maximum security prison
life, life sentence
a prison term lasting as long as the prisoner lives
Type of:
term
a limited period of time

v measure the time or duration of an event or action or the person who performs an action in a certain period of time

Synonyms:
clock
Types:
mistime
time incorrectly
Type of:
measure, quantify
express as a number or measure or quantity

v set the speed, duration, or execution of

“we time the process to manufacture our cars very precisely”
Type of:
determine, influence, mold, regulate, shape
shape or influence; give direction to

v adjust so that a force is applied and an action occurs at the desired time

“The good player times his swing so as to hit the ball squarely”
Type of:
adjust, correct, set
alter or regulate so as to achieve accuracy or conform to a standard

v assign a time for an activity or event

“The candidate carefully timed his appearance at the disaster scene”
Type of:
schedule
plan for an activity or event
3

n a reading of a point in time as given by a clock

“do you know what time it is?”
“the time is 10 o'clock”
Synonyms:
clock time
Types:
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SCLK, spacecraft clock time
the clock time given by a clock carried on board a spacecraft
prime time
the hours between 7 and 11 p.m. when the largest tv audience is available
hour, time of day
clock time
high noon, midday, noon, noonday, noontide, twelve noon
the middle of the day
mealtime
the hour at which a meal is habitually or customarily eaten
late-night hour
the latter part of night
midnight
12 o'clock at night; the middle of the night
small hours
the hours just after midnight
bedtime
the time you go to bed
closing time
the regular time of day when an establishment closes to the public
aurora, break of day, break of the day, cockcrow, dawn, dawning, daybreak, dayspring, first light, morning, sunrise, sunup
the first light of day
early-morning hour
an hour early in the morning
sundown, sunset
the time in the evening at which the sun begins to fall below the horizon
crepuscle, crepuscule, dusk, evenfall, fall, gloam, gloaming, nightfall, twilight
the time of day immediately following sunset
none
a canonical hour that is the ninth hour of the day counting from sunrise
happy hour
the time of day when a bar sells alcoholic drinks at a reduced price
rush hour
the times at the beginning and end of the working day when many people are traveling to or from work
zero hour
the time set for the start of an action or operation
canonical hour
(Roman Catholic Church) one of seven specified times for prayer
Type of:
indication, meter reading, reading
a datum about some physical state that is presented to a user by a meter or similar instrument

n a suitable moment

“it is time to go”
Types:
high time
the latest possible moment
occasion
the time of a particular event
meal
any of the occasions for eating food that occur by custom or habit at more or less fixed times
Type of:
instant, minute, moment, second
a particular point in time

v regulate or set the time of

time the clock”
Type of:
adjust, correct, set
alter or regulate so as to achieve accuracy or conform to a standard
4

n a person's experience on a particular occasion

“he had a time holding back the tears”
“they had a good time together”
Type of:
experience
an event as apprehended
5

n rhythm as given by division into parts of equal duration

Synonyms:
meter, metre
Type of:
rhythmicity
the rhythmic property imparted by the accents and relative durations of notes in a piece of music
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