On that occasion
Unaware and on that occasion are semantically related. In some cases you can use "Unaware" instead an adverb phrase "On that occasion".
Unaware
Unaware adverb - Without warning.
On that occasion and unaware are semantically related. Sometimes you can use "On that occasion" instead an adverb "Unaware".
Nearby Word: unawares
Mutual synonyms
Both terms in one sentence
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Because he'd viewed their relationship as a (sometimes strained) surrogate father/daughter one, Hilshire is visibly surprised, unaware that she'd previously kissed him while he was passed out (on that occasion, the angle makes it unclear if she kissed her unconscious handler on the mouth or cheek).
Source: Anywhere but Their Lips
Cite this Source
Unaware and On that occasion. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/on_that_occasion/unaware
On that occasion & Unaware. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/on_that_occasion/unaware>.
Unaware or On that occasion. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/on_that_occasion/unaware.
