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inefficacious
inefficacious
Related Words
ineffective
ineffectual
fruitless
futile
unproductive
useless
vain
efficacious
effective
effectual
productive
useful
potent
efficacy
potency
utility
outcome
result
failure
impotence
remedy
treatment
medicine
drug
cure
intervention
strategy
method
performance
capacity
competence
insufficiency
nullity
void
stagnation
inefficiency
Last Updated: May 2026
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