unimportant

Definitions of unimportant
1

adj not important

“a relatively unimportant feature of the system”
“the question seems unimportant
Synonyms:
inessential, unessential
not basic or fundamental
inconsequent, inconsequential
lacking worth or importance
immaterial, indifferent
(often followed by `to') lacking importance; not mattering one way or the other
fiddling, footling, lilliputian, little, niggling, petty, picayune, piddling, piffling, trivial
(informal) small and of little importance
lightweight
having no importance or influence
nickel-and-dime, small-time
of minor importance
potty
(British informal) trivial
meaningless, nonmeaningful
having no meaning or direction or purpose
insignificant
devoid of importance, meaning, or force
Antonyms:
important, of import
of great significance or value
essential
basic and fundamental
all important, all-important, crucial, essential, of the essence
of the greatest importance
alpha
first in order of importance
beta
second in order of importance
big
significant
burning
of immediate import
cardinal, central, fundamental, key, primal
serving as an essential component
chief, main, master, primary, principal
most important element
consequential, eventful
having important issues or results
Copernican
of radical or major importance
distinguished
(used of persons) standing above others in character or attainment or reputation
grand
the most important and magnificent in adornment
grave, grievous, heavy, weighty
of great gravity or crucial import; requiring serious thought
great, outstanding
of major significance or importance
historic
important in history
in-chief
indicating the head of a staff
measurable
of distinguished importance
most-valuable
designating the player judged to be the most important to the sport
serious
of great consequence
strategic
highly important to or an integral part of a strategy or plan of action especially in war
important, significant
important in effect or meaning
valuable
having great material or monetary value especially for use or exchange
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adj devoid of importance, meaning, or force

Synonyms:
insignificant
meaningless, nonmeaningful
having no meaning or direction or purpose
hole-and-corner, hole-in-corner
relating to the peripheral and unimportant aspects of life
flimsy, fragile, slight, tenuous, thin
lacking substance or significance
inappreciable
too small to make a significant difference
light
having little importance
superficial, trivial
of little substance or significance
Antonyms:
important, significant
important in effect or meaning
important, of import
of great significance or value
meaningful
having a meaning or purpose
momentous
of very great significance
epoch-making, epochal
highly significant or important especially bringing about or marking the beginning of a new development or era
earthshaking, world-shaking, world-shattering
sufficiently significant to affect the whole world
evidential, evidentiary
serving as or based on evidence
fundamental, profound
far-reaching and thoroughgoing in effect especially on the nature of something
large
fairly large or important in effect; influential
monumental
of outstanding significance
noteworthy, remarkable
worthy of notice
probative, probatory
tending to prove a particular proposition or to persuade you of the truth of an allegation
operative
effective; producing a desired effect
portentous, prodigious
of momentous or ominous significance
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