Synonyms|605Antonyms|228|Broader|4Narrower|1Related|1.4k

143 entries under dull topic. ×

5
dry(adjective, flat, boring, lifeless)
5
slack(adjective, quiet, moderate, easy)
5
spiritless(adjective, action, weak, easy)
4
drooping(adjective, relaxed, sluggish, lazy)
4
faint(adjective, weak, heavy, still)
4
inanimate(adjective, still, sluggish, lifeless)
4
lackluster(adjective, lifeless)
4
muddy(adjective, soft, obscure, flat)
4
sombre(adjective, flat, dark, boring)
4
sullen(adjective, slow, dark, heavy)
3
dark(adjective, feature, black)
3
dusty(adjective, lead, grim, mousy)
3
ho-hum(adjective, flat, boring, lifeless)
3
iron(adjective, lead, grim, mousy)
3
lymphatic(adjective, action, weak, easy)
3
muted(adjective, quiet, soft, severe)
3
stagnant(adjective, quiet, moderate, easy)
3
steely(adjective, gray)
2
blah(adjective, weak, easy, flat)
2
bored(adjective, sluggish, lethargic, limp)
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ChicagoSmart Define. 2015. "leaden thesaurus" https://smartdefine.org/leaden/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, leaden thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/leaden/thesaurus/synonyms>.
MLASmart Define. "leaden thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/leaden/thesaurus/synonyms>