FAIL-SAFE Synonyms
There is 1 hypernym of the word fail-safe. (close relations)
Definition of FAIL-SAFE
failure
Best Alternative Words for FAIL-SAFE
Expand? | Word | Save? | More Syns.. | Usage | Type | |||
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certain | adverb, adjectiveadv, adj | |||||||
adjective • having or feeling no doubt or uncertainty; confident and assured • established beyond doubt or question; definitely known • certain to occur; destined or inevitable • established irrevocably adjective satellite • definite but not specified or identified • reliable in operation or effect • exercising or taking care great enough to bring assurance | ||||||||
foolproof | adjectiveadj | |||||||
adjective satellite • not liable to failure verb • proof against human misuse or error | ||||||||
infallible | adjectiveadj | |||||||
adjective • incapable of failure or error | ||||||||
reliable | adjectiveadj | |||||||
adjective • worthy of reliance or trust adjective satellite • worthy of being depended on • conforming to fact and therefore worthy of belief | ||||||||
secure | adjectiveadj | |||||||
adjective • free from fear or doubt; easy in mind • free from danger or risk • not likely to fail or give way adjective satellite • immune to attack; incapable of being tampered with • financially safe verb • get by special effort • cause to be firmly attached • assure payment of • make certain of • fill or close tightly with or as if with a plug • furnish with battens | ||||||||
trustworthy | adjectiveadj | |||||||
adjective • worthy of trust or belief adjective satellite • taking responsibility for one's conduct and obligations | ||||||||
guaranteed | adjectiveadj | |||||||
noun • a written assurance that some product or service will be provided or will meet certain specifications • an unconditional commitment that something will happen or that something is true • a collateral agreement to answer for the debt of another in case that person defaults verb • give surety or assume responsibility • make certain of • promise to do or accomplish • stand behind and guarantee the quality, accuracy, or condition of | ||||||||
surefire | adjectiveadj | |||||||
adjective • Guaranteed to work |