frenemy

The definition of a frenemy is someone who is both a friend and an enemy.

(noun)

An example of a frenemy is someone who you are nice to in person, but secretly compete with.

See frenemy in American Heritage Dictionary 4

noun pl. fren·e·mies
Informal

A person who is ostensibly friendly or collegial with someone but who is actually antagonistic or competitive.

Origin:

Origin: Blend of fr(iend)

Origin: + enemy

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