At once Definition & Meaning - Merriam-Webster
1. : one time and no more. rode a horse only once. went skydiving once. 2. : at any one time : under any circumstances : ever. didn't once thank me. 3. : at some indefinite time in the past : formerly.
AT ONCE | English meaning - Cambridge Dictionary
at once. At once also means at the same time: Everything happened at once – she graduated, got a job, and got married, all in June! (Definition of at once from the Cambridge Academic …
AT ONCE Definition & Meaning | Dictionary.com
at once. Immediately, as in Mother told the children to come inside at once . [First half of 1500s] At the same time, as in We can't all fit into the boat at once . [First half of 1200s] Also see at …
AT ONCE Synonyms: 80 Similar and Opposite Words | Merriam ...
Synonyms for AT ONCE: concurrently, simultaneously, together, coincidently, in unison, immediately, contemporaneously, coincidentally; Antonyms of AT ONCE: separately, apart, independently, individually, singly, successively, consecutively, slowly.
AT ONCE definition and meaning | Collins English Dictionary
Definition of 'at once' at once. phrase B1. If you do something at once, you do it immediately. I have to go, I really must, at once. Remove from the heat, add the parsley, toss and serve at …
At once - Definition, Meaning & Synonyms - Vocabulary.com
without delay or hesitation; with no time intervening. synonyms: directly, forthwith, immediately, instantly, like a shot, now, right away, straight off, straightaway. adverb. simultaneously. …
at once - WordReference.com Dictionary of English
adj. former; one-time: the once and future king. Idioms all at once, suddenly: All at once it started to rain. Idioms at once: immediately; promptly: left at once. at the same time; simultaneously: …