4
typical(adjective, moderate, common, ordinary, familiar)
4
unchanging(adjective, dull, boring, tedious, dreary)
4
unglamourous
4
unremarkable(adjective, informal, ordinary, boring, mediocre)
4
unvarying(adjective, dull, boring, tedious, dreary)
3
average(adjective, dull, simple, informal, inferior)
3
dusty
3
earthbound(adjective, dull)
3
ennui(noun, routine, dullness, tedium, monotony)
3
ennuyant
3
exhausting(adjective, dull, boring, tedious, dreary)
3
familiar(adjective, dull, moderate, flat, common)
3
fatiguing(adjective, dull, boring, tedious, dreary)
3
garden-variety(adjective, dull, simple, moderate, clean)
3
heavy(adjective, dull, flat, ordinary, dry)
3
long-winded(adjective, dull, boring, tedious, tiresome)
3
matter-of-fact
3
prolix(adjective, flat, ordinary, dry, boring)
3
quotidian(adjective, ordinary, commonplace, everyday)
3
tedium(noun, routine, dullness, monotony, flatness)
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APASmart Define. (2016). humdrum thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/humdrum/thesaurus/synonyms
ChicagoSmart Define. 2016. "humdrum thesaurus" https://smartdefine.org/humdrum/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, humdrum thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/humdrum/thesaurus/synonyms>.
MLASmart Define. "humdrum thesaurus" 23 March 2016. Web. 24 September 2026. <https://smartdefine.org/humdrum/thesaurus/synonyms>