75 entries under extend topic. ×

12
decline(noun, verb, stop, advance)
10
decrease(noun, verb, stop, decline, increase)
3
wane(noun, rise)
3
weaken(verb, ruin, destroy, raise, fail)
2
dwindle(verb, increase, waste, taper)
1
lessen(verb, stop, decline, increase)
1
decay(noun, verb, raise, deteriorate)
1
diminish(verb, cause, ruin, destroy, fail)
1
wilt
1
abridge(verb, increase, ruin, destroy, fail)
1
condense(verb, increase, ruin, destroy, fail)
1
ebb
1
fade(rise, grow)
1
reduce(verb, ruin, destroy, raise, fail)
1
shorten(verb, ruin, destroy, fail)
1
shrink(verb, ruin, destroy, fail, rise)
1
curtail(verb, ruin, destroy, raise, fail)
1
degrade(raise, upgrade)
1
deplete
1
depreciate
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APASmart Define. (2016). develop thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/develop/thesaurus/antonyms
ChicagoSmart Define. 2016. "develop thesaurus" https://smartdefine.org/develop/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, develop thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/develop/thesaurus/antonyms>.
MLASmart Define. "develop thesaurus" 14 March 2016. Web. 22 September 2026. <https://smartdefine.org/develop/thesaurus/antonyms>