136 entries under verb topic. ×

9
fading(noun, adjective, decline, collapse)
8
dying(noun, adjective, decline, collapse)
6
wanting(adjective, preposition, close, light)
5
collapsing
5
flunk
5
flunking
5
lack(break, trouble, check, difficulty)
5
missing(noun, adjective, slip, short)
4
break(noun, slip, weakness, crack)
4
falling(unsuccessful, lessening, worsening, deteriorating)
4
flopping
4
languishing(adjective, weakening, fading, wearying)
4
waning(noun, adjective, drop, decline)
3
busting
3
disappointing
3
disregarding
3
draining
3
drop(noun, fall, failure, deterioration)
3
expiring(adjective, last, final, ultimate)
3
fail
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APASmart Define. (2015). failing thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/failing/thesaurus/synonyms
ChicagoSmart Define. 2015. "failing thesaurus" https://smartdefine.org/failing/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, failing thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/failing/thesaurus/synonyms>.
MLASmart Define. "failing thesaurus" 23 December 2015. Web. 24 September 2026. <https://smartdefine.org/failing/thesaurus/synonyms>