verb

suck

to draw into the mouth, to draw in by suction, to be very bad

The baby was sucking its thumb.

The baby was sucking its thumb.

The vacuum cleaner sucks up the dirt.

The vacuum cleaner sucks up the dirt.

This film really sucks.

This movie really sucks.

((sth.)) to draw (sth.) into the mouth The baby was sucking its thumb.

((sth.)) up to draw (sth.) in with force The vacuum cleaner sucks up the dirt.

to be very bad or unpleasant This movie really sucks.

Synonyms: draw, inhale; (informal) be awful, be terrible

From Old English 'sūcan', of Germanic origin, imitating the sound of sucking.

Think of the sound of drinking through a straw. The informal meaning, 'to be bad,' is like something 'sucking' the fun out of a situation.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.