16 entries under extend topic. ×

9
raise(verb, drop, increase, hurt, destroy)
7
increase(verb, stop, drop, decrease)
5
enlarge(verb, stop, cut, increase, decrease)
4
expand(verb, stop, close, increase)
4
intensify(verb, dull, increase, slow)
3
develop(verb, stop, decline, increase)
3
grow(verb, stop, drop, increase)
3
lengthen(verb, increase, contract, shorten)
3
prolong(verb, increase)
3
strengthen(verb, increase, reduce, destroy, halt)
2
rise(verb, stop, end, increase)
1
stretch(verb, stop, close, increase)
1
worsen(verb, increase)
0
branch off
0
go up(verb, expression, phrasal verb, increase)
0
irritate(verb, increase)
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APASmart Define. (2016). lessen thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/lessen/thesaurus/antonyms
ChicagoSmart Define. 2016. "lessen thesaurus" https://smartdefine.org/lessen/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, lessen thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/lessen/thesaurus/antonyms>.
MLASmart Define. "lessen thesaurus" 31 January 2016. Web. 23 September 2026. <https://smartdefine.org/lessen/thesaurus/antonyms>