I. flirt 1 /flɜːt $ flɜːrt/ BrE AmE verb [intransitive]
to behave towards someone in a way that shows that you are sexually attracted to them, although you do not really want a relationship with them
flirt with
She accused him of flirting with other women.
She was flirting outrageously (=a lot) with some of the managers.
flirt with something phrasal verb
1 . to consider doing something, but not be very serious about it:
He had flirted with the idea of emigrating.
2 . to do something that is dangerous or could cause problems for you:
Climbers enjoy flirting with danger.
II. flirt 2 BrE AmE noun [countable]
someone who flirts with people
a terrible/dreadful etc flirt (=someone who flirts a lot)
She’s an incorrigible flirt!