Definition of Foolproof

1. Adjective. Not liable to failure. "An unfailing test"

Exact synonyms: Unfailing
Similar to: Infallible

2. Verb. Proof against human misuse or error. "Foolproof this appliance"
Exact synonyms: Goof-proof, Goofproof
Generic synonyms: Proof

Definition of Foolproof

1. Adjective. For a device: protected, or designed to be proof against misuse or error; fail-safe. ¹

2. Adjective. For an idea or plan: infallible, or bulletproof. ¹

¹ Source: wiktionary.com

Definition of Foolproof

1. [adj]

Lexicographical Neighbors of Foolproof

foolhood
foolify
fooling
fooling about
fooling around
foolings
foolish
foolish woman
foolisher
foolishest
foolishly
foolishness
foolishnesses
foolometer
foolometers
foolproof (current term)
fools
fools' errands
fools around
fools rush in where angels fear to tread
foolscap
foolscaps
foom
foon
foons
foordite
foorth
foosball
fooster

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