At once
At once adverb - Without delay or hesitation; with no time intervening.
On the instant and at once are semantically related. In some cases you can use "On the instant" instead an adverb phrase "At once".
On the instant
At once and on the instant are semantically related. You can use "At once" instead an adverb phrase "On the instant".
Mutual synonyms
Related pairs
- immediately and at once
- immediately and on the instant
- directly and at once
- directly and on the instant
- straight away and at once
- straight away and on the instant
- quickly and at once
- quickly and on the instant
- expeditiously and at once
- expeditiously and on the instant
- speedily and at once
- speedily and on the instant
- swiftly and at once
- swiftly and on the instant
Cite this Source
On the instant and At once. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/at_once/on_the_instant
At once & On the instant. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/at_once/on_the_instant>.
On the instant or At once. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/at_once/on_the_instant.
