frown

[1]	scowl , glower , glare , knit one's brows , grimace , give a dirty look , (Brit) lour/lower , (US) lower
[2]	frown on/upon , glower , lour , disapprove (of) , (look on/regard/view with) disfavour , lower , discountenance , look down on/upon , look askance at , not take kindly to , not think much of , look disapprovingly upon , (Colloq) take a dim view of , be turned off by

[1]	scowl
[2]	scowl , glower , glare , grimace , dirty look , (Brit) lour/lower , (US) lower