2
plunge(noun, verb, rise, attempt, soar)
2
recede(verb, stop, drop, advance, meet)
2
relax(verb, diminish, agitate, lessen)
2
relent(verb, die)
2
relieve(verb, upset, hurt, excite)
2
remit(hold, keep)
2
retrenchment(calm, rise)
2
sap(verb, help, boost, weaken)
2
shrink(verb, stop, drop, rise, decrease)
2
shrinkage(noun, drop, decrease)
2
sink(verb, raise, fall, decrease, deteriorate)
2
slump(noun, verb, decline, rise, failure)
2
soften(upset, rise, extend)
1
abridge(verb, stop, drop, decrease, extend)
1
collapse(noun, verb, break, fix, strengthen)
1
allay(verb, upset)
1
cheapen(verb, honor, praise, diminish, elevate)
1
condensation
1
constriction(noun, release)
1
cut(noun, verb, join, whole, reduction)
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APASmart Define. (2016). increase thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/increase/thesaurus/antonyms
ChicagoSmart Define. 2016. "increase thesaurus" https://smartdefine.org/increase/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, increase thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/increase/thesaurus/antonyms>.
MLASmart Define. "increase thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/increase/thesaurus/antonyms>