foolproof

Meanings

Verb

proof against human misuse or error
- "foolproof this appliance"
To render foolproof.

Adjective Satellite

not liable to failure
- "a foolproof identification system"

Adj

Protected against, or designed to be proof against, misuse or error.
Certain to succeed in all eventualities, or claimed to be so; infallible.

Origin / Etymology

From fool + -proof.

Synonyms

goof-proof, goofproof, unfailing

Scrabble Score: 17

foolproof is a valid Scrabble (US) TWL word
foolproof is a valid Scrabble Word in Merriam-Webster MW Dictionary
foolproof is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 19

foolproof is a valid Words With Friends word