Synonyms|1.4kAntonyms|486|Broader|22Narrower|81Related|879
2
wax(stop, drop)
1
accelerate
1
acceleration
1
accent
1
accentuate
1
accession
1
accompany
1
accretion
1
accrual
1
acetify
1
acidify
1
acidulate
1
acknowledge
1
addition
1
adds
1
advance(noun, decline)
1
ameliorate
1
appreciate(ignore, condemn)
1
ascent
1
blow up(expression, reduce, contract)
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APASmart Define. (2016). lessen thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lessen/thesaurus/antonyms
ChicagoSmart Define. 2016. "lessen thesaurus" https://smartdefine.org/lessen/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, lessen thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lessen/thesaurus/antonyms>.
MLASmart Define. "lessen thesaurus" 31 January 2016. Web. 24 September 2026. <https://smartdefine.org/lessen/thesaurus/antonyms>