That
That adverb - To a great degree.
What and that are semantically related. In some cases you can use "What" instead a conjunction "That".
What
What interjection - How surprising, doubtful, or unbelievable.
Show all Definitions
Synonyms for What
Cite this Source
What and That. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/that/what
That & What. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/that/what>.
What or That. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/that/what.
Google Ngram Viewer shows how "that" and "what" have occurred on timeline