Synonyms|12Antonyms|0|Broader|2Narrower|0Related|9
4
evenness(noun, flatness)
4
flatness(noun, flatness)
2
levelness(noun, flatness)
1
flushness(noun, flatness)
1
level
1
planarity
1
plane
1
stratum
0
dead flat(expression, idiom)
0
dead level(expression, idiom)
0
level plane(expression, idiom)
0
spatial relation(expression, idiom)
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APASmart Define. (2015). horizontality thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/horizontality/thesaurus/synonyms
ChicagoSmart Define. 2015. "horizontality thesaurus" https://smartdefine.org/horizontality/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, horizontality thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/horizontality/thesaurus/synonyms>.
MLASmart Define. "horizontality thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/horizontality/thesaurus/synonyms>