What
What interjection - How surprising, doubtful, or unbelievable.
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Synonyms for What
Which and what are semantically related. In some cases you can use "Which" instead the word "What" as a conjunction or a pronoun.
Which
What and which are semantically related. You can use "What" instead the word "Which" as a conjunction or a pronoun or a determination.
Cite this Source
Which and What. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/what/which
What & Which. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/what/which>.
Which or What. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/what/which.
Google Ngram Viewer shows how "what" and "which" have occurred on timeline