Synonyms and Antonyms for
foolproof
1. foolproof (adj.)
not liable to failure
Synonyms:
infallible
unfailing
Antonyms:
fallible
demonetization
weaken
2. foolproof (v.)
proof against human misuse or error
Synonyms:
proof
goofproof
goof-proof
Antonyms:
pervious
inconstant
exhaustible
erring
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