tighten

To tighten something is to draw it snug or squeeze it. Your cousin's crazy driving may cause you to tighten your seatbelt and close your eyes.

You can tighten things literally, the way you tighten the lid of a jar or tighten your hold on your best friend's hand as you enter a haunted house together. There's also a figurative way to tighten, like when a library tightens its rules about talking or a restrictive government tightens control over what newspapers are allowed to print. Before tighten appeared in the 18th century, the verb was tight.

Definitions of tighten
1

v make tight or tighter

Tighten the wire”
Synonyms:
fasten
Types:
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frap
take up the slack of
firm, tauten
make taut or tauter
screw
tighten or fasten by means of screwing motions
wind, wind up
coil the spring of (some mechanical device) by turning a stem
Type of:
alter, change, modify
cause to change; make different; cause a transformation

v become tight or tighter

“The rope tightened
Types:
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constrict, constringe, narrow
become tight or as if tight
firm, tauten
become taut or tauter
compact, compress, constrict, contract, press, squeeze
squeeze or press together
strain, tense
become stretched or tense or taut
choke, strangle
constrict (someone's) throat and keep from breathing
prim
contract one's lips
astringe
become constricted or compressed
strangulate
become constricted
astringe
constrict or bind or draw together
strangulate
constrict a hollow organ or vessel so as to stop the flow of blood or air
convulse
contract involuntarily, as in a spasm
convulse
cause to contract
bear down, overbear
contract the abdominal muscles during childbirth to ease delivery
choke, fret, gag
be too tight; rub or press
choke, scrag
wring the neck of
Type of:
change
undergo a change; become different in essence; losing one's or its original nature

v restrict

Tighten the rules”
Synonyms:
constrain, stiffen, tighten up
Type of:
bound, confine, limit, restrain, restrict, throttle, trammel
place limits on (extent or access)

v narrow or limit

Synonyms:
reduce
Type of:
bound, confine, limit, restrain, restrict, throttle, trammel
place limits on (extent or access)

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