3
kink(noun, weakness, crack, fault, blemish)
3
limitation(noun, trouble, difficulty, weakness, bar)
3
moribund
3
overlooking(noun, verb, slip, breach, lapse)
3
overthrow(noun, decline, ruin, defeat, collapse)
3
peccadillo(noun, weakness, flaw, defect, refinement)
3
rout(noun, decline, ruin, defeat, collapse)
3
run-down
3
scant(adjective, light, poor, short, shy)
3
senile
3
sick(adjective, weak, ill, feeble, confused)
3
sketchy(poor, short, insufficient, scarce, lacking)
3
slip(noun, drop, fall, wrong, weakness)
3
stain(noun, weakness, crack, fault, blemish)
3
taint(noun, weakness, crack, fault, blemish)
3
unfortunate
3
washout(noun, decline, ruin, defeat, collapse)
3
weak side(noun, expression, idiom, weakness, vice)
2
aborting
2
bad habit(expression, weakness, fault, shortcoming)
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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>