Definition, Meaning & Synonyms

inefficacious

Adjective

in-ef-i-ˈkā-shəs

Definition

Not producing the desired effect or result; ineffective.

Examples

The new treatment proved to be inefficacious, leaving the patients without any improvement.
His inefficacious arguments did little to convince the audience of his point of view.
She found that the planned marketing strategies were inefficacious in boosting sales.

Meaning

The term ‘inefficacious’ describes something that fails to accomplish what it is intended to do, particularly in the context of medication, treatment, or any action that is meant to bring about a specific outcome.