Impromptu and Unknowingly

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Impromptu adverb - Without advance preparation.

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Unknowingly and impromptu are semantically related. In some cases you can use "Unknowingly" instead an adverb "Impromptu".

Unknowingly adverb - Without knowledge or intention.

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Impromptu and unknowingly are semantically related. Sometimes you can use "Impromptu" instead an adverb "Unknowingly".

Nearby Word: unknowing

Cite this Source

Unknowingly and Impromptu. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/impromptu/unknowingly

Impromptu & Unknowingly. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/impromptu/unknowingly>.

Unknowingly or Impromptu. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/impromptu/unknowingly.

Google Ngram Viewer shows how "impromptu" and "unknowingly" have occurred on timeline