Once
Repeatedly
Repeatedly adverb - Many times.
Usage example: I've told him repeatedly not to do that
Once is an antonym for repeatedly.
Both words in one sentence
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Ragna the Bloodedge from Blazblue - a gag that crops up in the main story once and repeatedly in the joke endings.
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The same might be said of any show, but in Alias all of the characters completely change teams at least once and repeatedly betray one another, some of them over and over, in ways that would destroy most real (and even most TV) relationships.
Source: Series / Alias -
Similarly, Yotsuba repeatedly describes Torako as "cool", and more than once seeks her approval for the coolness of things.
Source: Manga / Yotsuba&!
Cite this Source
Repeatedly and Once. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/once/repeatedly
Once & Repeatedly. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/once/repeatedly>.
Repeatedly or Once. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/once/repeatedly.
Google Ngram Viewer shows how "once" and "repeatedly" have occurred on timeline