Thesaurus.com
Dictionary.com

be in effect

VERB
hold
Synonyms
STRONGEST
last operate remain stay
STRONG
apply exist persevere persist resist wear
WEAK
be in force be the case be valid have bearing hold good hold true remain true stand up stay staunch
Antonyms
STRONGEST
go leave
STRONG
give up quit stop
WEAK
abandon cancel cease desert disbelieve drop forsake halt let go release

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Kremlin said it had ordered a temporary truce to be in effect from Saturday afternoon until the end of Sunday, a 32-hour period during which Russia would stop fighting "in all directions".

From Barron's • Apr. 10, 2026

The advisory, which will be in effect until at least 4 p.m.

From Los Angeles Times • Jan. 2, 2026

The amber warnings in Scotland are currently due to be in effect until midday on Saturday.

From BBC • Jan. 1, 2026

The new rate, a slight increase from the previous 3.98%, will be in effect for six months.

From Barron's • Oct. 31, 2025

It would be, in effect, paying the government for incarcerating him for a month.

From "Zeitoun" by Dave Eggers