O OneWordDaily
AI-generated image
Word of the Day Tuesday, June 9, 2026

inefficacy

/ɪnɪˈfɪsɪti/ noun · British & US
Valid in UKValid in US
Share WhatsApp

What does inefficacy mean?

noun

The state or quality of being ineffective; lack of effectiveness. A lack of power or ability to produce a desired or intended effect.

Example

"The company's inefficacy in addressing the crisis led to widespread criticism."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for inefficacy

Antonyms of inefficacy

Rhymes with inefficacy

Etymologically related