53 entries under stupid topic. ×

4
ordinary(adjective, dull, set, simple, flat)
4
vapid(adjective, dull, set, simple, flat)
3
humdrum(adjective, dull, simple, clean, plain)
2
cornball(adjective, dull, set, flat, silly)
2
hokey(adjective, dull, set, flat, silly)
2
mundane(adjective, dull, simple, plain)
2
nothing(adjective, dull, simple, clean, plain)
2
nowhere(adjective, dull, simple, clean, plain)
2
routine(adjective, dull, flat, silly)
2
square(adjective, simple, clean, plain)
2
unimaginative(adjective, dull, simple, plain)
2
zero(adjective, dull, simple, clean, plain)
1
blah(adjective, dull, simple, plain)
1
bland(adjective, ordinary, commonplace, predictable)
1
colorless(adjective, dull, simple, flat, clean)
1
conventional(adjective, dull, ordinary, standard)
1
cornfed(adjective, ordinary, commonplace, bland)
1
dead(adjective, dull, hard, simple, plain)
1
drab(adjective, dull, hard, simple, clean)
1
dull as dishwater(expression, adjective, idiom, ordinary)
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APASmart Define. (2015). platitudinous thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/platitudinous/thesaurus/synonyms
ChicagoSmart Define. 2015. "platitudinous thesaurus" https://smartdefine.org/platitudinous/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, platitudinous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/platitudinous/thesaurus/synonyms>.
MLASmart Define. "platitudinous thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/platitudinous/thesaurus/synonyms>