all at once

English

Adverb

all at once (not comparable)

1. (idiomatic) Unexpectedly; without warning; all of a sudden.

   When all at once I saw a crowd, A host, of golden daffodils - William Wordsworth, Daffodils

2. Used other than as an idiom: All at the same time; all together.

   There are too many to get in the lift all at once, so some must wait.

Translations