17 entries under failure topic. ×

4
useless(adjective, zero)
2
fail(verb, dereliction of duty)
1
make nothing of(verb, phrasal verb, underestimation)
0
be unsuccessful(expression, idiom)
0
do by halves(expression, idiom)
0
do in vain(expression, idiom)
0
fall short of(verb, phrasal verb)
0
flunk
0
impossible
0
labor in vain(expression, idiom)
0
lose ground(expression, idiom)
0
lose one's labor(expression, idiom)
0
make vain efforts(expression, idiom)
0
not complete(expression, idiom)
0
not succeed(expression, idiom)
0
recede
0
toil in vain(expression, idiom)
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APASmart Define. (2016). naught thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/naught/thesaurus/synonyms
ChicagoSmart Define. 2016. "naught thesaurus" https://smartdefine.org/naught/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, naught thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/naught/thesaurus/synonyms>.
MLASmart Define. "naught thesaurus" 1 March 2016. Web. 22 September 2026. <https://smartdefine.org/naught/thesaurus/synonyms>