21 entries under stiff topic. ×

12
conservative(noun, adjective, person, dull, quiet)
6
backward(adjective, dull, moderate, low, stupid)
2
behind(adjective, dull, moderate, low, stupid)
2
behindhand(adjective, dull, moderate, low)
1
belated(adjective, dull, moderate, low)
1
detained(adjective, dull, moderate, low)
1
draggy(adjective, dull, moderate, low)
1
gradual(adjective, dull, moderate, low)
1
hindered(adjective, dull, moderate, low)
1
impeded(adjective, dull, moderate, low)
1
lingering(adjective, dull, moderate, low)
1
long-drawn-out(adjective, dull, moderate, low)
1
low(adjective, dull, moderate, late)
1
prolonged(adjective, dull, moderate, low)
1
protracted(adjective, dull, moderate, low)
1
reduced(adjective, dull, moderate, low)
1
tame(adjective, dull, moderate, low)
1
time-consuming(adjective, dull, moderate, low)
1
unproductive(adjective, dull, moderate, low)
0
long-delayed(adjective, dull, moderate, low)
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APASmart Define. (2015). unprogressive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unprogressive/thesaurus/synonyms
ChicagoSmart Define. 2015. "unprogressive thesaurus" https://smartdefine.org/unprogressive/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unprogressive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unprogressive/thesaurus/synonyms>.
MLASmart Define. "unprogressive thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unprogressive/thesaurus/synonyms>