to draw into the mouth by producing a partial vacuum by action of the lips and tongue

to suck lemonade through a straw.

to draw (water, moisture, air, etc.) by or as if by suction

Plants suck moisture from the earth. The pump sucked water from the basement.

to apply the lips or mouth to and draw upon by producing a partial vacuum, esp. for extracting fluid contents

to suck an orange.

to put into the mouth and draw upon

to suck one's thumb.

to take into the mouth and dissolve by the action of the tongue, saliva, etc.

to suck a piece of candy.

to render or bring to a specified condition by or as if by sucking.

to draw something in by producing a partial vacuum in the mouth, esp. to draw milk from the breast.

to draw or be drawn by or as if by suction.

(of a pump) to draw air instead of water, as when the water is low or a valve is defective.

Slang . to behave in a fawning manner (usually fol. by around ).

Slang . to be repellent or disgusting

Poverty sucks.

an act or instance of sucking.

a sucking force.

the sound produced by sucking.

that which is sucked; nourishment drawn from the breast.

a small drink; sip.

a whirlpool. ?

suck in, Slang . to deceive; cheat; defraud

The confidence man sucked us all in.

suck off, Slang

Vulgar to fellate.

suck up, Slang . to be obsequious; toady

The workers are all sucking up to him because he's the one who decides who'll get the bonuses.

suck face

to engage in soul-kissing.

verb

catch up , embrangle , embroil , implicate , mix up , absorb , draw , drink , engulf , extract , imbibe , inhale , nurse , sip , suction

phrasal verb

bootlick , cringe , grovel , kowtow , slaver , toady , truckle