1,116 entry under adjective topic. ×

8
inelegant(common, usual, ugly)
8
innocent(open, simple, easy, friendly)
8
insipid(dull, weak, simple, flat)
8
lowly(quiet, simple, gentle, poor)
8
matter-of-fact(open, direct, free, simple)
8
mere(absolute, more)
8
naked(dull, simple, tough, rational)
8
prominent
8
quiet(calm, light, simple, soft)
8
recognizable(clear, simple, sharp, common)
8
run-of-the-mill(good, dull, simple, flat)
8
self-explanatory(quiet, clear, simple, easy)
8
tangible(clear, exact, significant, straightforward)
8
unadulterated(simple, clean, pure, true)
8
unaesthetic(appearance, ugly, unattractive, aroused negative)
8
unremarkable(good, simple, common, ordinary)
7
average(good, mean, simple, reasonable)
7
blatant(clear, open, flat, total)
7
bluff(open, honest, straightforward, blunt)
7
certain(clear, flat, firm, honest)
10 years ago|64k views|share |citing 
APASmart Define. (2016). plain thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/plain/thesaurus/synonyms
ChicagoSmart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, plain thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/plain/thesaurus/synonyms>.
MLASmart Define. "plain thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/plain/thesaurus/synonyms>