plural safety valves
1
: a part in a machine that opens automatically to release steam, water, gas, etc., when pressure becomes too great
2
: something that allows someone to release mental stress and tension in a harmless way
His hobbies act as a safety valve, relieving some of the pressure he feels from his job.
Cite this Entry
“Safety valve.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/safety%20valve. Accessed 21 Jun. 2026.
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