At once
At once adverb - Without delay or hesitation; with no time intervening.
As quickly as possible and at once are semantically related. In some cases you can use "As quickly as possible" instead an adverb phrase "At once".
As quickly as possible
At once and as quickly as possible are semantically related. You can use "At once" instead an adverb phrase "As quickly as possible".
Mutual synonyms
Related pairs
- right and at once
- right and as quickly as possible
- immediately and at once
- immediately and as quickly as possible
- directly and at once
- directly and as quickly as possible
- straight away and at once
- straight away and as quickly as possible
- quickly and at once
- quickly and as quickly as possible
- speedily and at once
- speedily and as quickly as possible
- promptly and at once
- promptly and as quickly as possible
Cite this Source
As quickly as possible and At once. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/at_once/as_quickly_as_possible
At once & As quickly as possible. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/at_once/as_quickly_as_possible>.
As quickly as possible or At once. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/at_once/as_quickly_as_possible.