Synonyms|46Antonyms|29|Broader|20Narrower|49Related|167

29 entries under adjective topic. ×

7
unprofitable(ineffective, ineffectual, unproductive, impotent)
7
useless(ineffective, ineffectual, unproductive, impotent)
7
weak(ineffective, ineffectual, unproductive, impotent)
7
worthless(ineffective, ineffectual, unproductive, impotent)
6
effete(ineffective, ineffectual, unproductive, impotent)
6
frail(ineffective, ineffectual, unproductive, impotent)
6
gutless(ineffective, ineffectual, unproductive, impotent)
6
infirm(ineffective, ineffectual, unproductive, impotent)
6
nerveless(ineffective, ineffectual, unproductive, impotent)
<12>
For more, visit Impactful on Power Thesaurus
10 years ago|0 views|share |citing 
APASmart Define. (2016). impactful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/impactful/thesaurus/antonyms
ChicagoSmart Define. 2016. "impactful thesaurus" https://smartdefine.org/impactful/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, impactful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/impactful/thesaurus/antonyms>.
MLASmart Define. "impactful thesaurus" 12 February 2016. Web. 28 September 2026. <https://smartdefine.org/impactful/thesaurus/antonyms>