Dictionary definition · suck
noun
- the act of sucking
verb
- draw into the mouth by creating a practical vacuum in the mouth"suck the poison from the place where the snake bit"
- draw something in by or as if by a vacuum"Mud was sucking at her feet"
- attract by using an inexorable force, inducement, etc."The current boom in the economy sucked many workers in from abroad"
- be inadequate or objectionable"this sucks!"
- provide sexual gratification through oral stimulation
- take in, also metaphorically"The sponge absorbs water well"
- give suck to"The wetnurse suckled the infant"
Source: Open English WordNet (CC BY 4.0).