fail-safe

[ feyl-seyf ]

/ ˈfeɪlˌseɪf /

SEE SYNONYMS FOR fail-safe ON THESAURUS.COM

adjective

Electronics. pertaining to or noting a mechanism built into a system, as in an early warning system or a nuclear reactor, for insuring safety should the system fail to operate properly.

equipped with a secondary system that insures continued operation even if the primary system fails.

(sometimes initial capital letter) of, relating to, or designating a system of coded military controls in which bombers dispatched to a prearranged point as part of a standard operating procedure cannot advance farther without direct orders from a designated authority and cannot have the nuclear warheads they carry armed until they have passed their prearranged point.

guaranteed to work; totally reliable: a fail-safe recipe for a cheese soufflé.

noun

(sometimes initial capital letter) the point beyond which the bombers cannot go without specific instruction; the fail-safe point.

something designed to work or function automatically to prevent breakdown of a mechanism, system, or the like.

verb (used with object), fail-safed, fail-saf·ing.

to make fail-safe.

Origin of fail-safe

First recorded in 1945–50; apparently from verb phrase to fail safe(ly)

Words nearby fail-safe

failed, failed star, failed state, failing, faille, fail-safe, fail-soft, failure, failure to thrive, fain, fainaigue

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for fail-safe

So as we lurch toward the next “fail-safe” milestone, there must be a way out for both sides.
CEO Solutions to the Shutdown|William L. McComb|October 14, 2013|DAILY BEAST
For example, at Three Mile Island, a fail-safe feature actually made the meltdown worse.
The Most Dangerous Substance in America May Be Fertilizer|Megan McArdle|April 19, 2013|DAILY BEAST
My Social Chef recommends the perfect, fail-safe roast chicken recipe.
The Perfect Roast Chicken|Petrit Husenaj|October 20, 2010|DAILY BEAST
Internally, the communications beam to Thule Base had been interrupted; and the fail-safe had not failed-safely.
Where I Wasn't Going|Walt Richmond

British Dictionary definitions for fail-safe

fail-safe

adjective

designed to return to a safe condition in the event of a failure or malfunction

(of a nuclear weapon) capable of being deactivated in the event of a failure or accident

unlikely to fail; foolproof

verb

(intr) to return to a safe condition in the event of a failure or malfunction

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

单词	fail-safe
释义	fail-safe [ feyl-seyf ] / ˈfeɪlˌseɪf / SEE SYNONYMS FOR fail-safe ON THESAURUS.COM adjective Electronics. pertaining to or noting a mechanism built into a system, as in an early warning system or a nuclear reactor, for insuring safety should the system fail to operate properly. equipped with a secondary system that insures continued operation even if the primary system fails. (sometimes initial capital letter) of, relating to, or designating a system of coded military controls in which bombers dispatched to a prearranged point as part of a standard operating procedure cannot advance farther without direct orders from a designated authority and cannot have the nuclear warheads they carry armed until they have passed their prearranged point. guaranteed to work; totally reliable: a fail-safe recipe for a cheese soufflé. noun (sometimes initial capital letter) the point beyond which the bombers cannot go without specific instruction; the fail-safe point. something designed to work or function automatically to prevent breakdown of a mechanism, system, or the like. verb (used with object), fail-safed, fail-saf·ing. to make fail-safe. Origin of fail-safe First recorded in 1945–50; apparently from verb phrase to fail safe(ly) Words nearby fail-safe failed, failed star, failed state, failing, faille, fail-safe, fail-soft, failure, failure to thrive, fain, fainaigue Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for fail-safe So as we lurch toward the next “fail-safe” milestone, there must be a way out for both sides. CEO Solutions to the Shutdown\|William L. McComb\|October 14, 2013\|DAILY BEAST For example, at Three Mile Island, a fail-safe feature actually made the meltdown worse. The Most Dangerous Substance in America May Be Fertilizer\|Megan McArdle\|April 19, 2013\|DAILY BEAST My Social Chef recommends the perfect, fail-safe roast chicken recipe. The Perfect Roast Chicken\|Petrit Husenaj\|October 20, 2010\|DAILY BEAST Internally, the communications beam to Thule Base had been interrupted; and the fail-safe had not failed-safely. Where I Wasn't Going\|Walt Richmond British Dictionary definitions for fail-safe fail-safe adjective designed to return to a safe condition in the event of a failure or malfunction (of a nuclear weapon) capable of being deactivated in the event of a failure or accident unlikely to fail; foolproof verb (intr) to return to a safe condition in the event of a failure or malfunction Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to fail-safe sound, confident, covered, foolproof, protected, reliable, secure, sure, reliant, safeguarded
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fail-safe

adjective

noun

verb (used with object), fail-safed, fail-saf·ing.

Origin of fail-safe

Words nearby fail-safe

Example sentences from the Web for fail-safe

British Dictionary definitions for fail-safe

adjective

verb

Words related to fail-safe