inefficacious

Fetched 2026-10-26 (cache).

Synonyms: efficacious, inefficacies

Antonyms: efficacious, inefficacies

Related words from Datamuse; suggestions, not definitions.

Adjective

1. Incapable of having the intended [[consequence]].
2. Not [[effective]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.