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foolproof
DEFINITIONS OF:
foolproof
1
adj
not liable to failure
“a
foolproof
identification system”
Synonyms:
unfailing
infallible
incapable of failure or error
v
proof against human misuse or error
“
foolproof
this appliance”
Synonyms:
goof-proof
,
goofproof
Type of:
proof
make resistant (to harm)
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