137 entries under plain topic. ×

1
garden-variety(adjective, dull, simple, clean)
1
habitual(simple, common, ordinary, natural)
1
hackneyed(adjective, dull, simple, clean)
1
ho-hum(adjective, dull, weak, smooth, simple)
1
ho hum(expression, adjective, dull, weak)
1
homey(adjective, simple, clean, pure)
1
insipid(adjective, dull, weak, flat)
1
irksome(adjective, simple, clean, ordinary)
1
lenient(adjective, weak, smooth, gentle)
1
lifeless(adjective, dull, weak, simple, flat)
1
literal(adjective, simple, clean, ordinary)
1
lusterless(adjective, dull, simple, flat, clean)
1
matter-of- fact(expression, adjective, simple, clean)
1
mere(adjective, simple, clean, pure)
1
mild(adjective, dull, weak, pleasant, gentle)
1
milk-and-water(adjective, dull, weak, mild)
1
mollifying(adjective, weak, smooth, pleasant, gentle)
1
monotonous(adjective, dull, weak, simple)
1
nerdy(adjective, dull, weak, mild)
1
nonirritating(adjective, weak, smooth, pleasant, gentle)
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APASmart Define. (2015). vanilla thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/vanilla/thesaurus/synonyms
ChicagoSmart Define. 2015. "vanilla thesaurus" https://smartdefine.org/vanilla/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, vanilla thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/vanilla/thesaurus/synonyms>.
MLASmart Define. "vanilla thesaurus" 9 October 2015. Web. 24 September 2026. <https://smartdefine.org/vanilla/thesaurus/synonyms>