flatness

noun

flat·​ness
plural -es
Synonyms of flatnessnext
: the quality or state of being flat

Word History

Etymology

Middle English flatnesse flat surface, from flat entry 1 + -nesse -ness

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Cite this Entry

“Flatness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flatness. Accessed 10 Jan. 2026.

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