313 entries under adjective topic. ×

1
intermediate(dull, moderate, inferior, ordinary)
1
irritating(dull, boring, tedious, annoying)
1
long-drawn-out
1
longwinded(flat, ordinary, dry, boring)
1
lusterless(dull, simple, clean, plain)
1
mainstream(dull, moderate, common, ordinary)
1
matter-of- fact(expression, simple, clean, plain)
1
mechanical
1
medium(dull, moderate, inferior, ordinary)
1
menial(mean, simple, poor, inferior)
1
middle-of-the-road
1
middle of the road(expression, idiom, moderate, ordinary)
1
middling(moderate, common, ordinary, usual)
1
milk-and-water(dull, weak, plain, mild)
1
moderate(dull, inferior, ordinary, usual)
1
monotonic
1
mouldy
1
natural(common, ordinary, familiar, usual)
1
nerdy(dull, weak, plain, mild)
1
no great shakes
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APASmart Define. (2016). humdrum thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/humdrum/thesaurus/synonyms
ChicagoSmart Define. 2016. "humdrum thesaurus" https://smartdefine.org/humdrum/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, humdrum thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/humdrum/thesaurus/synonyms>.
MLASmart Define. "humdrum thesaurus" 23 March 2016. Web. 27 September 2026. <https://smartdefine.org/humdrum/thesaurus/synonyms>