586 entries under adjective topic. ×

12
drowsy(state, dull, quiet, careless)
12
heavy(dull, quiet, weak, easy)
12
lackadaisical(dull, weak, easy, careless)
12
languorous(dull, weak, easy, careless)
12
tame(verb, calm, control, cool)
12
uninteresting(dull, boring, tedious, dreary)
11
retarded(dull, time, ability, offensive)
11
dim-witted(dull, simple, foolish, stupid)
11
laggard(adverb, dull, easy, careless)
11
remiss(dull, careless, indifferent, deliberate)
11
simple(dull, light, easy, ability)
11
soporific(dull, weariness)
11
tiresome(dull, boring, tedious, dreary)
11
unintelligent(dull, simple, mind, think)
10
deliberate(easy, relaxed, late, lazy)
10
lifeless(dull, quiet, flat, informal)
10
lingering(boring, tedious, late, rambling)
10
moronic(dull, simple, mind, think)
10
supine(state, dull, weak, easy)
10
wearisome(dull, simple, stupid, boring)
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APASmart Define. (2016). slow thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/slow/thesaurus/synonyms
ChicagoSmart Define. 2016. "slow thesaurus" https://smartdefine.org/slow/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, slow thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/slow/thesaurus/synonyms>.
MLASmart Define. "slow thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/slow/thesaurus/synonyms>