28
extend(verb, go, set, cover, advance)
26
stretch(noun, verb, take, set, cover)
21
expand(verb, take, set, cover, advance)
21
prolong(verb, take, go, cover, advance)
20
elongate(verb, take, go, cover, increase)
19
draw out(verb, expression, phrasal verb, take, go)
17
enlarge(verb, take, set, cover, advance)
17
protract(verb, take, go, cover, advance)
16
increase(noun, verb, take, set, cover)
15
augment(verb, take, cover, advance, increase)
13
amplify(verb, take, cover, advance, increase)
13
dilate(verb, take, set, cover, advance)
13
distend(verb, go, cover, advance, increase)
12
broaden(verb, take, set, cover, advance)
12
continue(verb, take, cover, advance, increase)
12
inflate(verb, go, cover, advance, increase)
10
draw(verb, take, go, cover, increase)
10
grow(verb, cover, increase, open, develop)
10
spin out(verb, expression, phrasal verb, take, go)
10
swell(verb, go, set, cover, advance)
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APASmart Define. (2016). lengthen thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/lengthen/thesaurus/synonyms
ChicagoSmart Define. 2016. "lengthen thesaurus" https://smartdefine.org/lengthen/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, lengthen thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/lengthen/thesaurus/synonyms>.
MLASmart Define. "lengthen thesaurus" 9 March 2016. Web. 20 September 2026. <https://smartdefine.org/lengthen/thesaurus/synonyms>