Dictionary
3 ENTRIES FOUND:

safety valve

noun

: 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

Full Definition of SAFETY VALVE

1
:  an automatic escape or relief valve (as for a steam boiler)
2
:  an outlet for pent-up energy or emotion
3
:  something that relieves the pressure of overcrowding

Examples of SAFETY VALVE

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

First Known Use of SAFETY VALVE

1813

Rhymes with SAFETY VALVE

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