or else

idiom

Definition of or else

1 used to say what will happen if something is not doneYou have to leave or else you will be arrested for trespassing.
2 used to say what another possibility isHe either thinks he can't do it or else he just isn't interested.
3 informal used in angry speech to express a threat without saying exactly what the threat isDo what I say or else!

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“Or else.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/or%20else. Accessed 4 Dec. 2020.

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