96 entries under prolong topic. ×

28
extend(verb, go, set, cover, advance)
26
stretch(noun, verb, take, set, cover)
21
expand(verb, take, set, cover, advance)
20
elongate(verb, take, go, cover, increase)
19
draw out(verb, expression, phrasal verb, take, go)
17
protract(verb, take, go, cover, advance)
12
continue(verb, take, cover, advance, increase)
10
draw(verb, take, go, cover, increase)
10
spin out(verb, expression, phrasal verb, take, go)
9
drag out(verb, expression, phrasal verb, take, go)
5
make longer(verb, expression, idiom, increase, delay)
5
prolongate(verb, take, go, cover, increase)
5
stretch out(verb, expression, phrasal verb, increase, open)
5
string out(verb, expression, phrasal verb, take, go)
4
advance(verb, increase, maintain, raise, rise)
4
keep up(verb, expression, advance, maintain, continue)
4
pad(verb, take, go, cover, advance)
4
project(verb, advance, maintain, continue, stay)
4
reach(verb, go, set, cover, advance)
3
delay(noun, verb, continue, extend, sustain)
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APASmart Define. (2016). lengthen thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/lengthen/thesaurus/synonyms
ChicagoSmart Define. 2016. "lengthen thesaurus" https://smartdefine.org/lengthen/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, lengthen thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/lengthen/thesaurus/synonyms>.
MLASmart Define. "lengthen thesaurus" 9 March 2016. Web. 26 September 2026. <https://smartdefine.org/lengthen/thesaurus/synonyms>