Synonyms|834Antonyms|176|Broader|7Narrower|0Related|653

75 entries under plain topic. ×

3
weak(adjective, dull, dark, mild)
2
ho hum(expression, adjective, dull, weak, simple)
2
nowhere(adjective, dull, simple, stupid)
2
unstimulating(adjective, dull, weak, mild)
2
workaday(adjective, dull, simple, ordinary)
1
calm(adjective, weak, soft, reasonable, gentle)
1
dull as dishwater(expression, adjective, idiom, dull, weak)
1
garden-variety(adjective, dull, simple, clean)
1
lackluster(adjective, dull, simple, dark)
1
matter-of-fact(adjective, dull, simple, cold)
1
mild(adjective, dull, quiet, weak, soft)
1
milk-and-water(adjective, dull, weak, mild)
1
nerdy(adjective, dull, weak, mild)
1
pabulum(adjective, dull, weak, simple)
1
plebeian(adjective, dull, simple, flat)
1
sapless(adjective, dull, weak, mild)
1
simple(adjective, dull, ordinary, familiar)
1
soft(adjective, calm, quiet, weak, reasonable)
1
soothing(adjective, quiet, weak, soft, gentle)
1
tasteless undistinctive(expression, dull, weak, mild)
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APASmart Define. (2015). monotonous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/monotonous/thesaurus/synonyms
ChicagoSmart Define. 2015. "monotonous thesaurus" https://smartdefine.org/monotonous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, monotonous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/monotonous/thesaurus/synonyms>.
MLASmart Define. "monotonous thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/monotonous/thesaurus/synonyms>