8
drab(adjective, calm, dull, simple, soft)
8
field(noun, area, flat, spread, stretch)
8
glaring(adjective, clear, simple, certain, straightforward)
8
grotesque(adjective, appearance, awful, common, usual)
8
heath(noun, flat, field, land, pasture)
8
humble(adjective, quiet, mean, simple, reasonable)
8
inelegant(adjective, common, usual, ugly)
8
innocent(adjective, open, simple, easy, friendly)
8
insipid(adjective, dull, weak, simple, flat)
8
lowly(adjective, quiet, simple, gentle, poor)
8
matter-of-fact(adjective, open, direct, free, simple)
8
mere(adjective, absolute, more)
8
mesa(noun, nature, fell, mound, table)
8
naked(adjective, dull, simple, tough, rational)
8
prominent
8
quiet(adjective, calm, light, simple, soft)
8
recognizable(adjective, clear, simple, sharp, common)
8
run-of-the-mill(adjective, good, dull, simple, flat)
8
self-explanatory(adjective, quiet, clear, simple, easy)
8
tangible(adjective, clear, exact, significant, straightforward)
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APASmart Define. (2016). plain thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/plain/thesaurus/synonyms
ChicagoSmart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, plain thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/plain/thesaurus/synonyms>.
MLASmart Define. "plain thesaurus" 31 March 2016. Web. 20 September 2026. <https://smartdefine.org/plain/thesaurus/synonyms>