144 entries under deteriorate topic. ×

13
temper(verb, calm, control, order, dull)
12
drop(verb, close, cut, decline, reduce)
12
fall(verb, stop, drop, control, cut)
11
sink(verb, drop, close, cut, decline)
10
degrade(verb, decline, reduce, destroy, fail)
9
recede(verb, stop, drop, dull, close)
8
depress(verb, dull, quiet, cut, decline)
8
dilute(verb, calm, cut, decline, reduce)
8
relax(verb, calm, order, quiet, help)
7
flag(verb, drop, quiet, check, decline)
7
impair(verb, dull, quiet, cut, decline)
7
shrivel(verb, drop, quiet, cut, decline)
7
thin(verb, adjective, close, quiet, decline)
7
waste(noun, verb, drop, end, cut)
6
wither(verb, drop, cut, decline, reduce)
5
crumble(verb, drop, cut, decline, reduce)
5
decay(verb, drop, cut, decline, reduce)
5
degenerate(verb, drop, cut, decline, reduce)
5
descend(verb, drop, decline, reduce, fall)
5
die(verb, lapse, worsen)
10 years ago|26k views|share |citing 
APASmart Define. (2016). lessen thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/lessen/thesaurus/synonyms
ChicagoSmart Define. 2016. "lessen thesaurus" https://smartdefine.org/lessen/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, lessen thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/lessen/thesaurus/synonyms>.
MLASmart Define. "lessen thesaurus" 31 January 2016. Web. 25 September 2026. <https://smartdefine.org/lessen/thesaurus/synonyms>