99 entries under cover topic. ×

10
widen(verb, take, go, set)
9
drag out(verb, expression, phrasal verb, take, go)
9
spread(verb, take, advance, increase)
8
develop(verb, take, set, advance)
8
magnify(verb, take, go, advance)
8
multiply(verb, take, set, advance)
7
aggrandize(verb, take, advance, increase)
6
add to(verb, expression, take, increase)
6
boost(verb, take, advance, increase)
5
enhance(verb, take, advance, increase)
5
heighten(verb, take, advance, increase)
5
mantle(verb, take, increase, open)
5
prolongate(verb, take, go, increase)
5
string out(verb, expression, phrasal verb, take, go)
4
let out(verb, expression, phrasal verb, take)
4
pad(verb, take, go, advance)
4
reach(verb, go, set, advance)
3
pyramid(verb, go, increase, open)
3
supplement(verb, take, advance, increase)
2
beef up(expression, take, increase, open)
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APASmart Define. (2016). lengthen thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/lengthen/thesaurus/synonyms
ChicagoSmart Define. 2016. "lengthen thesaurus" https://smartdefine.org/lengthen/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, lengthen thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/lengthen/thesaurus/synonyms>.
MLASmart Define. "lengthen thesaurus" 9 March 2016. Web. 29 September 2026. <https://smartdefine.org/lengthen/thesaurus/synonyms>