foolproof

Definition of Foolproof in English :

1. foolproof, goof-proof, goofproof

proof against human misuse or error

Example Sentences:
'foolproof this appliance'

2. foolproof, unfailing

not liable to failure

Example Sentences:
'a foolproof identification system'
'the unfailing sign of an amateur'
'an unfailing test'

WordNet Lexical Database for English. Princeton University. 2010.

Foolproof

adjective

1.

proof against failure; infallible

a foolproof idea

2.

(esp of machines) proof against human misuse, error, etc

adjective

so simple, well-designed, or sturdily made as not to be mishandled, damaged, misunderstood, etc. even by a fool

adj.

1. Designed so as to be impervious to human incompetence, error, or misuse: a foolproof detonator; a foolproof safety lock.

2. Effective; infallible: a foolproof scheme.