flirt
v.v. to behave in a playful way that shows you are attracted to someone. You might do this by joking, smiling, or talking in a special way.
v. to behave as though attracted to or trying to attract someone, but for amusement rather than with serious intentions. Often used with the preposition 'with'.
They like to flirt with each other during their lunch break.
He didn't realize she was trying to flirt with him until she asked for his phone number.
While some people flirt naturally as a way of being friendly, others find the subtle social cues of romantic interest difficult to interpret correctly.
1553, from the merger of Early Modern English flirt (“to flick”), flurt (“to mock, jibe, scorn”), and flirt, flurt (“a giddy girl”). Of obscure origin and relation. Apparently related to similar words in Germanic, all of apparently onomatopoeic origin, compare Low German flirt (“a flick of the fingers, a light blow”), Low German flirtje (“a giddy girl”), Low German flirtje (“a flirt”), German Flittchen (“a flirt; tart; hussy”), Norwegian flira (“to giggle, titter”). Compare also Early Modern English jillflirt, gillian flirt, and flirt-gill (“a flirt”), and Scots flird (“a trifling", also, "to jibe, jeer at, talk idly, flirt, flaunt”), which is perhaps from Middle English flerd (“mockery, fraud, deception”), from Old English fleard (“nonsense, vanity, folly, deception”); potentially related to Icelandic flærð (“trickiness, deceit”), Swedish flärd (“vanity, frivolity, flamboyance”), Dutch flard (“tatter, shred”). See flird.
The verb is intransitive and typically takes the preposition 'with' before the person being addressed.
she flirted him at the partyshe flirted with him at the partyFlirt is an intransitive verb and requires the preposition 'with' to connect to an object.