mortal enemy

noun

Definition of mortal enemy

: someone one hates very much and for a long time They've been mortal enemies for many years.

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Dictionary Entries Near mortal enemy

mortal combat

mortal enemy

mortal foe/rival

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Cite this Entry

“Mortal enemy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mortal%20enemy. Accessed 2 Dec. 2021.

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