68 entries under protracted topic. ×

26
extended(verb, adjective, strong, steady, regular)
20
long(adjective, time, strong, great, excite)
17
lengthened(verb, adjective, great, deep, high)
15
elongated(verb, adjective, great, deep, high)
15
lengthy(adjective, strong, great, excite, slow)
14
expanded(verb, adjective, great, big, deep)
13
drawn-out(adjective, excite, slow, late, long)
10
long-drawn-out(adjective, dull, great, excite, low)
9
lingering(adjective, dull, great, continue, low)
9
sustained(verb, adjective, great, slow, deep)
8
drawn out(verb, expression, adjective, phrasal verb, great)
8
continued(verb, adjective, great, deep, steady)
8
extensive(adjective, great, big, deep, high)
8
lasting(adjective, great, deep, high, persistent)
7
stretched(verb, adjective, great, deep, high)
7
enlarged(verb, adjective, great, deep, high)
6
time-consuming(adjective, dull, moderate, low, stiff)
5
slow(adjective, boring, tedious, late, rambling)
4
delayed(verb, adjective, dull, low, slow)
4
elongate(adjective, great, deep, high, remote)
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APASmart Define. (2015). prolonged thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/prolonged/thesaurus/synonyms
ChicagoSmart Define. 2015. "prolonged thesaurus" https://smartdefine.org/prolonged/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, prolonged thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/prolonged/thesaurus/synonyms>.
MLASmart Define. "prolonged thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/prolonged/thesaurus/synonyms>