verb

disappear

to vanish, to cease to be visible

The sun disappeared behind the clouds.

The sun disappeared behind the clouds.

My keys have disappeared again.

My keys have disappeared again.

Dinosaurs disappeared millions of years ago.

Dinosaurs disappeared millions of years ago.

((from sth.)) to cease to be in a place The magician disappeared from the stage.

((behind/into sth.)) to go out of sight behind or into something The sun disappeared behind the clouds.

Synonyms: vanish, fade; Antonyms: appear, emerge

From the prefix 'dis-' (not, opposite) + 'appear' (to become visible). Literally the opposite of appearing.

The prefix 'dis-' means 'not' or the opposite. So, it's the opposite of 'appear'.

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