Back when
One time
One time adverb - On one occasion.
Mutual synonyms
Both terms in one sentence
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There's one time when they start singing the songs they used to sing back when they were kids and their parents brought them along to rob banks.
Source: Comic Book / Lucky Luke -
Ooh, Me Accent's Slipping: In-Universe Robin's Canadian accent pops up outside of flashbacks a few times (one time it comes back when she was very drunk), at other times it may just be Cobie Smulders' actual Canadian background.
Source: Series / How I Met Your Mother
Cite this Source
One time and Back when. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/back_when/one_time
Back when & One time. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/back_when/one_time>.
One time or Back when. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/back_when/one_time.
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