English / word
inefficacious
adjective C2MEANING IN ENGLISH
Not producing any effect or the desired result; ineffective.
In context
01
The treatment was inefficacious in curing the disease.
Synonyms
ineffective,futile,useless
Antonyms
efficacious,effective,powerful
Collocations
inefficacious remedy,inefficacious treatment,prove inefficacious