Synonyms|215Antonyms|56|Broader|0Narrower|0Related|93

23 entries under unproductive topic. ×

3
feeble(adjective, inadequate, useless, incompetent, vain)
2
unskillful(incompetent, wasteful, inutility)
2
weak(skill, incompetent, unfit, inept, powerless)
1
incapable(weak, skill, incompetent, unfit, inept)
1
wasteful(adjective, incompetent)
0
bungling(incompetent, wasteful)
0
careless(incompetent, wasteful)
0
disorganized(incompetent, wasteful)
0
extravagant(incompetent, wasteful)
0
faulty(incompetent, wasteful)
0
half-baked(incompetent, wasteful)
0
improficient(incompetent, wasteful)
0
improvident(incompetent, wasteful)
0
inexpert(incompetent, wasteful)
0
prodigal(incompetent, wasteful)
0
shooting blanks(expression, incompetent, wasteful)
0
slack(incompetent, wasteful)
0
slipshod(incompetent, wasteful)
0
sloppy(incompetent, wasteful)
0
slovenly(incompetent, wasteful)
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ChicagoSmart Define. 2016. "inefficacious thesaurus" https://smartdefine.org/inefficacious/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, inefficacious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/inefficacious/thesaurus/synonyms>.
MLASmart Define. "inefficacious thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/inefficacious/thesaurus/synonyms>