3
unceasing(adjective, endless, infinite, boundless, incessant)
2
abiding(adjective, persistent, continuous, lasting, continuing)
2
circumlocutory
2
copious
2
dragged out(expression, long, endless, infinite, extended)
2
dull(adjective, slow, tedious, late, endless)
2
eternal(endless, infinite, boundless, incessant, ceaseless)
2
great(adjective, strong, sharp, harsh, big)
2
lifelong(adjective, persistent, continuous, lasting, continuing)
2
long-drawn
2
long-pending
2
longish(adjective, great, deep, high, remote)
2
loose
2
maintained(verb, adjective, continued)
2
marathon
2
oblong
2
padded(tedious, long, extended, drawn-out, long-lasting)
2
pleonastic
2
postponed
2
procrastinated
11 years ago|8.8k views|share |citing 
APASmart Define. (2015). protracted thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/protracted/thesaurus/synonyms
ChicagoSmart Define. 2015. "protracted thesaurus" https://smartdefine.org/protracted/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, protracted thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/protracted/thesaurus/synonyms>.
MLASmart Define. "protracted thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/protracted/thesaurus/synonyms>