WordNet sense 1 (throw or cast away):

discard, dispose, fling, discard, put away, cast aside, toss away, toss out, cast out, chuck out, throw out

WordNet sense 2 (lightly throw to see which side comes up):

flip

WordNet sense 3 (move or stir about violently):

convulse, slash, thrash, thresh, jactitate, thrash about, thresh about

WordNet sense 4 (throw carelessly):

chuck

WordNet sense 5 (throw or toss with a light motion):

pitch, sky

WordNet sense 6 ((sports) the act of throwing the ball to another member of your team):

pass