Yap.Town

inefficace

ineffective, inefficient

i . n ɛ . f i . k a s
in not; lacking in + efficace effective, efficient
adjective Rare #41,266
ineffective, inefficient
FR: Cette méthode est inefficace.
EN: This method is ineffective.

Par chance, le traitement fut seulement inefficace plutôt que dangereux.

Luckily, the treatment was only ineffective rather than dangerous.

Tom est inefficace.

Tom is ineffective.

Mon assistant est devenu inefficace.

My assistant has become inefficient.

— La Mouche (1986)

Tu es inefficace.

You are inefficient.

Virus inefficace.

Ineffective virus.

— Independence Day (1996)

C'est franchement inefficace.

It’s honestly ineffective.

Vous êtes inefficace et dangereux.

You are inefficient and dangerous.

— Gramps Is in the Resistance (1983)