In unison and While

In unison

In unison adverb - Speaking or singing at the same time; simultaneously.

While and in unison are semantically related. In some cases you can use "While" instead an adverb phrase "In unison".

While

While conjunction - At or during the time that.

In unison and while are semantically related. Sometimes you can use "In unison" instead an adverb "While".
Cite this Source
While and In unison. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/in_unison/while
In unison & While. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/in_unison/while>.
While or In unison. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/in_unison/while.
Google Ngram Viewer shows how "in unison" and "while" have occurred on timeline