know from

phrase

: to have knowledge of
… didn't know from sibling rivalry …—Penny Marshall

Examples of know from in a Sentence

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Scientists know from spacecraft observations and lab simulations that in the upper reaches of the planets' atmospheres, ultraviolet sunlight breaks these molecules apart, triggering a cascade of highly reactive chemical fragments. — Sharmila Kuthunur, Space.com, 20 July 2026

Rhymes for know from

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know for a fact
know from
know-how
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Cite this Entry

“Know from.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/know%20from. Accessed 1 Aug. 2026.

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