EN

Synonyms for at once

12 synonyms
1 meaning

adverb

Most common

now right away immediately instantly

All synonyms

Adverb

1. Immediately — immediately; now; right away

immediately, right away, instantly, now, forthwith formal, directly, right now, right off, straight, straight away UK IE, straight off, outright

Definitions

adv. 1
Immediately; now; right away.
Tell the doctor to come at once. She is having a baby.

Choose the right word

At Once, Immediately or Instantly?

Even immediately is sliding from its instantaneousness, so that we are fain to substitute at once, instantly, etc., when we would make promptness emphatic.

J. C. Fernald, English Synonyms and Antonyms (1914)

Example sentences

now The odds are against me, so I think I'll quit now.
immediately This medicine will cure your headache immediately.
instantly When I saw his face, I was instantly on red alert.

By length

3 letters: now¹
8 letters: straight¹, directly³, outright²
9 letters: instantly³, forthwith²
11 letters: immediately⁵

The small number after each word is its number of syllables (directly³ = 3 syllables).

In other languages

Français: illico
Italiano: tra poco
Español: ahora mismo
Deutsch: alsbald
Català: de seguida