verb

behave as though sexually attracted to someone, but playfully rather than with serious intentions.

she began to tease him, flirting with other men in front of him

trifle with,toy with,tease,lead on,philander with,dally with,make romantic advances to,court,woo,pull,chat up,make eyes at,make sheep’s eyes at,give the come-on to,come on to,be all over,vamp,set one’s cap at

noun

a person who habitually flirts.

Jim was an outrageous flirt

tease,coquette,heartbreaker,trifler,philanderer,seductress,siren,femme fatale,Mata Hari,Delilah,enchantress,sorceress,Circe,Lorelei,vamp,fizgig,gallant