Synonyms|509Antonyms|103|Broader|4Narrower|8Related|587
0
poor
0
preparatory
0
profitless
0
rubbish
0
starting
0
stymied
0
thwarted
0
toothless
0
uncareful
0
unconvincing
0
unfilled
0
unfit
0
unfruitful
0
unimportant
0
unqualified
0
unreal
0
unrealistic
0
unseasoned
0
unserviceable
0
unskillful
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APASmart Define. (2015). effectual thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/effectual/thesaurus/antonyms
ChicagoSmart Define. 2015. "effectual thesaurus" https://smartdefine.org/effectual/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, effectual thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/effectual/thesaurus/antonyms>.
MLASmart Define. "effectual thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/effectual/thesaurus/antonyms>