frenemy

Meaning. Someone who acts like a friend while quietly competing with you or working against you.

See it in a sentence

She congratulated me, but she is still my frenemy.

How each generation says it

The closest equivalent for this idea in every generation.

Gen Z
opp,opps
Gen Alpha
No word for this one yet.
Millennial
hater
Gen X
No word for this one yet.
Boomer · this one
frenemy
Plain English
someone who acts like a friend while quietly competing with you or working against you

Friendly greeting gesture where two people lightly bump fists.

To show off or brag about something.

Intensified 'for real for real,' stressing sincerity.

Acting in a false or showy way to impress others.