Definition of: suck

(suk) v.t.
1. To draw into the mouth by means of a partial vacuum created by action of the lips and tongue.
2. To draw in or take up in a manner resembling this; inhale; absorb: The sponge sucked the water up.
3. To draw liquid or nourishment from with the mouth: to suck a lemon; also, to take into and hold in the mouth as if to do this: to suck one's thumb.
4. To consume by licking, or by holding in the mouth: to suck candy.
5. To bring to a specified state or condition by sucking: He sucked the lemon dry.
—v.i.
6. To draw in liquid, air, etc., by suction.
7. To suckle.
8. To draw in air instead of water, as a defective pump does.
9. To make a sucking sound.
—noun
1. The act of sucking; suction.
2. That which is sucked or comes by sucking.
3. A slight draft or drink.
4. A mother's milk.
5. A whirlpool or powerful eddy. [OE sūcan]
—suck′ing adjective
—suck′ing·ly adverb