Meaning of “time bomb” in the English Dictionary

"time bomb" in American English

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time bombnoun [ C ]

us /ˈtɑɪm ˌbɑm/

a bomb attached to a device that will make it explode at a particular time

A time bomb is also a developing situation that will cause serious problems in the future if it is not stopped:

He has the kind of nasty attitude toward management that is a time bomb in any work situation.

(Definition of “time bomb” from the Cambridge Academic Content Dictionary © Cambridge University Press)