5
prune(verb, cut, check, reduce, restrain)
5
run low(expression, idiom, drop, cut, decline)
5
scale down(verb, expression, phrasal verb, cut, check)
5
slump(verb, drop, cut, decline, reduce)
5
tail off(verb, expression, phrasal verb, drop, cut)
5
waste away(verb, expression, end, decline, reduce)
4
Fall
4
amputate(verb, decline, reduce, diminish, lower)
4
boil down(verb, expression, phrasal verb, reduce, halt)
4
chasten(verb, control, restrain, diminish, curb)
4
collapse(verb, drop, decline, reduce, settle)
4
compact(verb, adjective, diminish, decrease)
4
concentrate(verb, reduce, diminish, decrease, contract)
4
consume(verb, dull, quiet, decline, reduce)
4
corrupt(verb, adjective, decline, reduce, destroy)
4
damp(verb, dull, quiet, diminish, impair)
4
de-escalate(verb, cut, check, decline, reduce)
4
debase(verb, quiet, cut, decline, reduce)
4
detract from
4
devaluate(verb, drop, cut, check, decline)
10 years ago|26k views|share |citing 
APASmart Define. (2016). lessen thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lessen/thesaurus/synonyms
ChicagoSmart Define. 2016. "lessen thesaurus" https://smartdefine.org/lessen/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, lessen thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lessen/thesaurus/synonyms>.
MLASmart Define. "lessen thesaurus" 31 January 2016. Web. 22 September 2026. <https://smartdefine.org/lessen/thesaurus/synonyms>