189 entries under plain topic. ×

7
unexciting(adjective, dull, indifferent, modest)
7
uninspiring(adjective, boring, dull, flat, dry)
7
unrefined(adjective, mean, simple, lower)
7
vapid(adjective, dull, set, simple, flat)
6
dry(adjective, dull, simple, reasonable, flat)
6
insignificant(adjective, dull, quiet, weak, lower)
6
lifeless(adjective, dull, simple, dry)
6
lowly(adjective, dull, simple, lower, poor)
5
bland(adjective, dull, reasonable, sensible)
5
cheap(adjective, simple, reasonable, low)
5
stale(adjective, dull, set, simple, flat)
4
casual(adjective, simple, easy, lower)
4
drab(adjective, dull, simple, common)
4
inconspicuous(adjective, quiet, simple, relaxed)
4
matter-of-fact(adjective, dull, simple, common)
4
pure and simple(expression, adjective, idiom, simple)
4
reasonable(adjective, simple, sensible, common)
4
straightforward(adjective, clear, simple, relaxed)
4
subordinate(adjective, mean, simple, lower, gentle)
4
tame(adjective, dull, simple, reasonable, flat)
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APASmart Define. (2016). ordinary thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ordinary/thesaurus/synonyms
ChicagoSmart Define. 2016. "ordinary thesaurus" https://smartdefine.org/ordinary/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, ordinary thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ordinary/thesaurus/synonyms>.
MLASmart Define. "ordinary thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/ordinary/thesaurus/synonyms>