84 entries under plain topic. ×

7
uninteresting(adjective, dull, weak, mild)
5
dry(adjective, dull, hard, simple, flat)
5
watery(adjective, dull, hard, weak)
5
wishy-washy(adjective, dull, weak, mild)
4
dead(adjective, dull, hard, weak, simple)
4
square(adjective, dull, simple, flat, clean)
4
unexciting(adjective, dull, weak, mild)
3
blah(adjective, dull, weak, simple)
3
flavorless(adjective, dull, weak, mild)
3
ho-hum(adjective, dull, simple, flat, clean)
3
mild(adjective, dull, weak, innocent)
3
milk-and-water(adjective, dull, weak, mild)
3
prose(adjective, simple, flat, clean)
3
tasteless(adjective, dull, hard, weak)
3
uninspiring(adjective, dull, weak, simple, clean)
3
weak(adjective, dull, hard, mild)
2
drab(adjective, dull, hard, weak, simple)
2
ho hum(expression, adjective, dull, weak)
2
nothing(adjective, dull, weak, simple, clean)
2
prosy(adjective, dull, weak, simple, clean)
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APASmart Define. (2015). banal thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/banal/thesaurus/synonyms
ChicagoSmart Define. 2015. "banal thesaurus" https://smartdefine.org/banal/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, banal thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/banal/thesaurus/synonyms>.
MLASmart Define. "banal thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/banal/thesaurus/synonyms>