63 entries under extend topic. ×

4
soften(verb, upset, reduce, destroy, halt)
3
fade(verb, rise, grow, lose)
3
lessen(verb, increase, reduce, destroy, halt)
3
reduce(verb, destroy, raise, halt)
2
deaden(verb, quiet, advance, raise, diminish)
2
decay(noun, verb, raise, deteriorate)
2
decline(noun, verb, advance, reduce, destroy)
2
decrease(noun, verb, increase, reduce, destroy)
2
deplete
2
diminish(verb, reduce, destroy, halt, rise)
2
impair(verb, fix, enhance)
2
moderate(upset, rise, intensify)
2
wane(noun, rise)
1
abridge(verb, increase, reduce, destroy, halt)
1
curtail(verb, reduce, destroy, raise, halt)
1
dwindle
1
minimize
1
wilt
0
abbreviate
0
air-condition
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APASmart Define. (2016). strengthen thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/strengthen/thesaurus/antonyms
ChicagoSmart Define. 2016. "strengthen thesaurus" https://smartdefine.org/strengthen/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, strengthen thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/strengthen/thesaurus/antonyms>.
MLASmart Define. "strengthen thesaurus" 3 March 2016. Web. 28 September 2026. <https://smartdefine.org/strengthen/thesaurus/antonyms>