When
While is a synonym for when in duration topic. In some cases you can use "While" instead the word "When" as a conjunction or a preposition, when it comes to topics like though. popular alternative
While
While conjunction - At or during the time that.
Usage example: pay attention while I'm explaining how the new phone system works
When is a synonym for while in even though topic. You can use "When" instead the word "While" as a conjunction or a preposition. popular alternative
Mutual synonyms
Cite this Source
While and When. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/when/while
When & While. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/when/while>.
While or When. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/when/while.
Google Ngram Viewer shows how "when" and "while" have occurred on timeline