Synonyms|496Antonyms|95|Broader|5Narrower|0Related|686

130 entries under adjective topic. ×

2
lifelong(persistent, continuous, lasting, continuing)
2
long-drawn
2
longish(great, deep, high, remote)
2
maintained(verb, continued)
2
marathon
2
tall(great, deep, high, remote)
2
tedious(dull, slow, boring, late)
2
wide(big, large, grand, huge)
1
backward(dull, moderate, low, stiff)
1
behind(dull, moderate, low, stiff)
1
belated(dull, moderate, low, stiff)
1
ceaseless(persistent, endless, lasting, infinite)
1
confirmed(persistent, continuous, lasting, continuing)
1
conservative(dull, moderate, low, stiff)
1
constant(persistent, continuous, endless, lasting)
1
continual(persistent, continuous, lasting, continuing)
1
continuous(persistent, endless, lasting, infinite)
1
deep(strong, great, sharp, harsh)
1
deep-rooted(persistent, continuous, lasting, continuing)
1
deep-seated(persistent, continuous, lasting, continuing)
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ChicagoSmart Define. 2015. "protracted thesaurus" https://smartdefine.org/protracted/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, protracted thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/protracted/thesaurus/synonyms>.
MLASmart Define. "protracted thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/protracted/thesaurus/synonyms>