438 entries under adjective topic. ×

6
prosaic(dull, weak, excite, stupid)
6
soulless(dull, hard, careless, cold)
6
unanimated(dull, boring, lifeless, late)
6
unemotional(hard, cool, unfriendly, blank)
6
unenthusiastic(dull, cool, weak, easy)
6
uninspired(dull, excite, boring, pale)
5
blah(dull, weak, easy, sad)
5
cold-blooded(hard, cool, careless, indifferent)
5
colorless(dull, weak, excite, stupid)
5
cool(dull, kind, gentle, warm)
5
cowardly(weak, soft, nervous, shy)
5
disconsolate(blue, sad, unhappy, miserable)
5
dispassionate(cool, blank, aloof, unemotional)
5
emotionless(cool, cold, indifferent, useful)
5
gloomy(low, happy, sad, unhappy)
5
icy(cool, aloof, distant)
5
insusceptible(cool, blank, aloof, unemotional)
5
leaden(action, dull, weak, easy)
5
passive(dull, quiet, gentle, careless)
5
pedestrian
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APASmart Define. (2015). spiritless thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/spiritless/thesaurus/synonyms
ChicagoSmart Define. 2015. "spiritless thesaurus" https://smartdefine.org/spiritless/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, spiritless thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/spiritless/thesaurus/synonyms>.
MLASmart Define. "spiritless thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/spiritless/thesaurus/synonyms>