From WordNet (r) 3.0 (2006):
suck
n 1: the act of sucking [syn: sucking, suck, suction]
v 1: draw into the mouth by creating a practical vacuum in the
mouth; "suck the poison from the place where the snake
bit"; "suck on a straw"; "the baby sucked on the mother's
breast"
2: draw something in by or as if by a vacuum; "Mud was sucking
at her feet"
3: attract by using an inexorable force, inducement, etc.; "The
current boom in the economy sucked many workers in from
abroad" [syn: suck, suck in]
4: be inadequate or objectionable; "this sucks!"
5: provide sexual gratification through oral stimulation [syn:
fellate, suck, blow, go down on]
6: take in, also metaphorically; "The sponge absorbs water
well"; "She drew strength from the minister's words" [syn:
absorb, suck, imbibe, soak up, sop up, suck up,
draw, take in, take up]
7: give suck to; "The wetnurse suckled the infant"; "You cannot
nurse your baby in public in some places" [syn: breastfeed,
suckle, suck, nurse, wet-nurse, lactate, give
suck] [ant: bottlefeed]