Synonyms of foolproof from BoostVocab

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foolproof

/'ful,pruf/

Synonyms of foolproof Antonyms of foolproof Examples of foolproof Usage of foolproof Parts of foolproof Definition that contains foolproof Words sounding like foolproof Explanation of foolproof

adjective
not liable to failure
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"a foolproof identification system"

Similar:

unfailing infallible
verb
proof against human misuse or error
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"foolproof this appliance"

Similar:

goof-proof goofproof

type of:
proof

Synonyms & Similar Words

proof infallible unfailing goof-proof goofproof