Synonyms|618Antonyms|255|Broader|10Narrower|13Related|1.7k

152 entries under inadequate topic. ×

1
unprepared(adjective, weak, poor, feeble)
1
unpromising(useless, inappropriate, unhealthy, unsuitable)
1
unsubstantial(adjective, dull, light, soft, poor)
1
untrained(adjective, weak, poor, feeble)
1
vacillating(adjective, weak, soft, feeble)
1
washed-out(adjective, dull, light, soft, poor)
1
waxen(adjective, dull, light, soft, poor)
1
waxlike(adjective, dull, light, soft, poor)
1
whitish(adjective, dull, light, soft, poor)
0
enervated(adjective, weak, feeble, incompetent)
0
faded(adjective, dull, light, soft, poor)
0
green(adjective, poor, ineffectual, toothless)
0
handicapped(adjective, poor, ineffectual, toothless)
0
immature(adjective, poor, inept, impractical)
0
improbable(adjective, poor, ineffectual, toothless)
0
incomplete(adjective, poor, ineffectual, toothless)
0
inconceivable(adjective, poor, ineffectual, toothless)
0
incredible(adjective, poor, ineffectual, toothless)
0
infecund(adjective, weak, incompetent, inept)
0
lacking(adjective, poor, ineffectual, toothless)
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APASmart Define. (2016). ineffective thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/ineffective/thesaurus/synonyms
ChicagoSmart Define. 2016. "ineffective thesaurus" https://smartdefine.org/ineffective/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, ineffective thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/ineffective/thesaurus/synonyms>.
MLASmart Define. "ineffective thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/ineffective/thesaurus/synonyms>