At once
At once adverb - Without delay or hesitation; with no time intervening.
Mutual synonyms
Both terms in one sentence
-
When used correctly, they were literally devastatingly effective, being able to set several enemy ships into fire at once.
Source: Action Bomb - This skill, when used correctly, will not only allow you soften up multiple pods of enemies at once, but can result in truly mind-blowing numbers of aliens slain with your sidearm in one non-stop chain of pistol shots.
Source: Game Breaker / X-COM - Additionally, button combinations could allow you to shoot an entire clip of the battle rifle at once or punch someone while shooting them, both resulting in an instant kill when done correctly.
Cite this Source
Correctly and At once. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/at_once/correctly
At once & Correctly. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/at_once/correctly>.
Correctly or At once. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/at_once/correctly.
Google Ngram Viewer shows how "at once" and "correctly" have occurred on timeline