Definition of self-destruct in English:


Line breaks: self-destruct


[no object]
(Of a thing) destroy itself by exploding or disintegrating automatically, having been preset to do so: the tape would automatically self-destruct after twenty minutes
More example sentences
  • When it realised that you had listened to this music enough times, the tape self-destructed.
  • The tape explained that it would self-destruct in 40 seconds.
  • In fact, it may be that every intelligent race in the universe inadvertently self-destructs in this way.


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Enabling a thing to self-destruct: a self-destruct mechanism
More example sentences
  • If the missile loses the laser beam or if no guidance signals are received after a predetermined period of time during missile flight the missile switches to self-destruct mode.



More example sentences
  • Psychological studies of the child confirmed the danger of suicide and self-destruction.
  • Can we afford to be complacent and watch our province slide into self-destruction and self-implosion?
  • It is only a request that if they must satisfy their impulse for self-destruction, they do so without taking the rest of us with them.

Definition of self-destruct in:

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