218 entries under flat topic. ×

8
tundra(noun, land, prairie, lowland)
7
blatant(adjective, clear, open, total)
7
certain(adjective, clear, firm, honest)
7
gross(adjective, clear, total, awful)
7
moor(noun, land, prairie, lowland)
7
unquestionable(adjective, right, sharp, true)
7
usual(adjective, dull, simple, honest)
7
vanilla(adjective, dull, weak, simple)
6
categorical(adjective, clear, open, honest)
6
exact(adjective, calm, clear, smooth)
6
expanse(noun, nature, area, open)
6
grassland(noun, field, land, meadow)
6
mild(adjective, calm, dull, quiet, mean)
6
positive(adjective, clear, firm, honest)
6
precise(adjective, calm, clear, smooth, right)
6
regular(adjective, calm, quiet, open, smooth)
5
consistent(adjective, calm, smooth, level)
5
effortless(adjective, quiet, clear, light, smooth)
5
flatland(noun, land, lowland, heath)
5
jejune(adjective, dull, simple, stupid)
10 years ago|64k views|share |citing 
APASmart Define. (2016). plain thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/plain/thesaurus/synonyms
ChicagoSmart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, plain thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/plain/thesaurus/synonyms>.
MLASmart Define. "plain thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/plain/thesaurus/synonyms>