trifle

[1]	trifle with , dally (with) , flirt (with) , wanton (with) , mess about (with) , toy (with) , play (with) , fiddle (with) , dandle , tinker (with) , fidget (with)
[2]	piddle , wanton , wanton away , piddle away
[3]	frivol
[4]	dally , play

[1]	knick-knack , trinket , bauble , bagatelle , toy , gewgaw , nothing , plaything , (Colloq) doodah
[2]	little , technicality , triviality , bit , drop , iota , scintilla , suggestion , dash , dab , pinch , whiff , mite , whit , jot , tittle , (Colloq) smidgen/smidgin , (US) tad
[3]	triviality , trivia , small beer