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inefficacious
01
not effective in achieving the intended purpose
Disapproving
Formal
Example
The medication proved to be inefficacious in alleviating the patient's symptoms, leading to the exploration of alternative treatments.
The cleaning product, marketed as a stain remover, was inefficacious in removing stubborn stains from various surfaces.
word family
efficacy
Noun
efficacious
Adjective
inefficacious
Adjective
Nearby Words
