108 entries under slow topic. ×

6
afraid(adjective, weak, soft, base)
6
dim(adjective, dull, simple, boring)
6
dim-witted(adjective, dull, simple, foolish)
6
dumb(adjective, dull, simple, silly)
6
feeble-minded(adjective, dull, simple, ability)
6
obtuse(adjective, dull, simple, silly)
6
sluggish(adjective, adverb, dull, simple, low)
6
unenlightened(adjective, knowledge)
5
belated(adjective, adverb, dull, low)
5
dilatory(adjective, dull, late, remiss)
5
half-baked(adjective, simple, stupid, boring)
5
half-witted(adjective, dull, simple, ability)
5
indisposed(adjective, modest, humble, shy)
5
laggard(noun, adjective, adverb, sluggish)
5
lagging(adjective, poor, last, tardy)
4
doltish(adjective, simple, stupid, sluggish)
4
overdue(adjective, adverb, dull, low)
4
remiss(adjective, late, slack, unenthusiastic)
4
slack(adjective, dull, low, late)
4
subnormal
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APASmart Define. (2016). backward thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/backward/thesaurus/synonyms
ChicagoSmart Define. 2016. "backward thesaurus" https://smartdefine.org/backward/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, backward thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/backward/thesaurus/synonyms>.
MLASmart Define. "backward thesaurus" 23 March 2016. Web. 24 September 2026. <https://smartdefine.org/backward/thesaurus/synonyms>