Know
Know verb - To have a practical understanding of.
Not believe and know are semantically related. In some cases you can use "Not believe" instead a verb "Know".
Not believe
Know and not believe are semantically related. You can use "Know" instead a verb phrase "Not believe".
Both terms in one sentence
- Something Only They Would Say: Murphy does not believe Mortimer when he says Harry's shade is following him... until Mortimer makes references to things only Harry and her would know about.
Source: Literature / Ghost Story - Their comrades may not know the details, they may not care about what makes other people angry, or they may not believe the accusations of the outsiders.
Source: A Hero to His Hometown -
His mother was Genre Savvy enough to know that Lightoller would not believe her if she insisted that he was still a boy.
Source: Useful Notes / RMS Titanic
Cite this Source
Not believe and Know. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/know/not_believe
Know & Not believe. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/know/not_believe>.
Not believe or Know. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/know/not_believe.
Google Ngram Viewer shows how "know" and "not believe" have occurred on timeline