At once
At once adverb - Without delay or hesitation; with no time intervening.
This time
Mutual synonyms
Both terms in one sentence
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Villain Song: The Classic Miser Brothers' songs, this time sang at once.A Miser Brothers Christmas contains examples of: An Aesop: Siblings shouldn't fight, but get along instead.
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Cosplay Otaku Girl: Xiaomu in her attack taken from EXCEED and this time, it's the attack that hits multiple enemies at once instead of Jyuu no Kata.
Source: Video Game / Project X Zone - It also has another one if you give Edgar Teglee cards one at a time instead of all at once; this time, you are dropped to the bottom.
Source: Cutscene Drop
Cite this Source
This time and At once. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/at_once/this_time
At once & This time. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/at_once/this_time>.
This time or At once. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/at_once/this_time.
Google Ngram Viewer shows how "at once" and "this time" have occurred on timeline