58 entries under activity topic. ×

15
decline(noun, verb, action, drop)
10
ebb(noun, verb, action, decline)
10
diminish(verb, action, decline, fall)
9
run low(verb, expression, phrasal verb, action)
8
slump(noun, verb, action, drop)
6
drop(noun, verb, action, decline)
5
sink(verb, action, drop, fall)
4
deteriorate(verb, action, decline, fall)
4
lessen(verb, action, decline, fall)
4
let up(verb, phrasal verb, action, drop)
4
reduce(verb, action, decline, fall)
4
shrivel(verb, action, drop, fall)
4
subside(verb, action, drop, fall)
4
tail off(verb, phrasal verb, action, drop)
3
abate(verb, action, decline, fall)
3
die down(verb, phrasal verb, action, drop)
3
dry up(verb, phrasal verb, action, drop)
3
grow less(verb, expression, action, decline)
3
lower(verb, action, decline, fall)
3
fall off(verb, phrasal verb, action, decline)
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APASmart Define. (2016). surge thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/surge/thesaurus/antonyms
ChicagoSmart Define. 2016. "surge thesaurus" https://smartdefine.org/surge/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, surge thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/surge/thesaurus/antonyms>.
MLASmart Define. "surge thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/surge/thesaurus/antonyms>