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safety valve

noun

Simple Definition of safety valve

  • : a part in a machine that opens automatically to release steam, water, gas, etc., when pressure becomes too great

  • : something that allows someone to release mental stress and tension in a harmless way

Source: Merriam-Webster's Learner's Dictionary

Full Definition of safety valve

  1. 1 :  an automatic escape or relief valve (as for a steam boiler)

  2. 2 :  an outlet for pent-up energy or emotion

  3. 3 :  something that relieves the pressure of overcrowding

Examples of safety valve in a sentence

  1. His hobbies act as a safety valve, relieving some of the pressure he feels from his job.



1813

First Known Use of safety valve

1813

Rhymes with safety valve


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