foolproof

Fetched 2026-10-26 (cache).

Synonyms: fogproof, goofproof, foul proof, oilproof

Antonyms: fogproof, goofproof, foul proof, oilproof

Related words from Datamuse; suggestions, not definitions.

Adjective

1. Of a [[device]]: [[protected]] against, or [[designed]] to be [[proof]] against, [[misuse]] or [[error]].
2. Of an [[idea]] or [[plan]]: [[certain]] to [[succeed]] in all [[eventuality|eventualities]], or claimed to be so; [[infallible]].

Verb

1. {{lb|en|transitive}} To [[render]] (something) foolproof.

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