53 entries under stupid topic. ×

1
dumb(adjective, ordinary, commonplace, bland)
1
everyday(adjective, dull, simple, plain)
1
ho hum(expression, adjective, dull, ordinary)
1
insipid(adjective, dull, hard, ordinary)
1
irksome(adjective, dull, simple, clean, plain)
1
noplace(adjective, ordinary, commonplace, bland)
1
pabulum(adjective, simple, clean, plain)
1
plebeian(adjective, dull, simple, clean, plain)
1
repetitious(adjective, dull, hard, flat)
1
tame(adjective, dull, simple, clean, plain)
1
tripe(adjective, ordinary, commonplace, bland)
1
watery(adjective, hard, ordinary, commonplace)
1
wishy-washy(adjective, dull, ordinary, commonplace)
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APASmart Define. (2015). platitudinous thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/platitudinous/thesaurus/synonyms
ChicagoSmart Define. 2015. "platitudinous thesaurus" https://smartdefine.org/platitudinous/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, platitudinous thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/platitudinous/thesaurus/synonyms>.
MLASmart Define. "platitudinous thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/platitudinous/thesaurus/synonyms>