Exact Match:
- foolproof
- not liable to failure; "a foolproof identification system"; "the unfailing sign of an amateur"; "an unfailing test"
Synonyms:
- adaptable,
- airtight,
- ballproof,
- bombproof,
- bulletproof,
- burglarproof,
- certain,
- convenient,
- corrosionproof,
- dampproof,
- dependable,
- ductile,
- feasible,
- fire-resisting,
- fireproof,
- flameproof,
- flexible,
- guaranteed,
- handy,
- hermetic,
- holeproof,
- impervious to,
- infallible,
- leakproof,
- malleable,
- manageable,
- maneuverable,
- noiseproof,
- pliable,
- pliant,
- practical,
- proof,
- proof against,
- punctureproof,
- reliable,
- resistant,
- rustproof,
- safe,
- shatterproof,
- shellproof,
- soundproof,
- sure,
- sure-fire,
- tight,
- tractable,
- trustworthy,
- unfailing,
- untroublesome,
- warranted,
- watertight,
- weatherproof,
- wieldable,
- wieldy,
- yielding