WordNet sense 1 (a seductive woman who uses her sex appeal to exploit men):

coquette, minx, tease, vamp, prickteaser, vamper

WordNet sense 2 (behave carelessly or indifferently):

dally, play, toy

WordNet sense 3 (talk or behave amorously, without serious intentions):

butterfly, mash, philander, romance, coquet, chat up

WordNet sense 4 (playful behavior intended to arouse sexual interest):

coquetry, dalliance, flirtation, flirting, toying