255 entries under decline topic. ×

2
be impaired(verb, weaken, lessen, degenerate)
2
become contaminated(expression, weaken, lessen, degenerate)
2
become smaller(verb, expression, idiom, drop)
2
break down(verb, expression, stop, drop, end)
2
break up(verb, expression, fail, weaken)
2
cave in(verb, expression, drop, settle)
2
check(verb, drop, control, quiet, cut)
2
clear(verb, go, fall, withdraw)
2
close(noun, verb, stop, drop, go)
2
condense(verb, reduce, diminish, decrease)
2
consume(verb, reduce, diminish, blow)
2
curb(verb, drop, control, quiet, cut)
2
curdle(verb, weaken, lessen, degenerate)
2
cut down(expression, drop, cut, reduce)
2
decompose(verb, weaken, lessen, degenerate)
2
defile(verb, weaken, lessen, degenerate)
2
deliquesce(verb, fall, fail, diminish)
2
depart(verb, drop, close, go, end)
2
devaluate(verb, drop, quiet, cut)
2
dilute(verb, reduce, fail, halt)
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APASmart Define. (2015). wane thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/wane/thesaurus/synonyms
ChicagoSmart Define. 2015. "wane thesaurus" https://smartdefine.org/wane/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, wane thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/wane/thesaurus/synonyms>.
MLASmart Define. "wane thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/wane/thesaurus/synonyms>