3. (verb)chat up, flirt, dally, butterfly, coquet, coquette, romance, philander, mash talk or behave amorously, without serious intentions
"The guys always try to chat up the new secretaries"; "My husband never flirts with other women"
4. (verb)dally, trifle, play consider not very seriously
"He is trifling with her"; "She plays with the thought of moving to Tasmania"