98 entries under broaden topic. ×

1
fill(verb, go, cover, open, run)
1
give details(verb, expression, increase, develop, extend)
1
grow larger(verb, expression, increase, develop, extend)
1
jazz up(verb, expression, increase, develop, extend)
1
longer(verb, take, cover, increase, open)
1
make larger(verb, expression, take, cover, increase)
1
open out(verb, expression, increase, open, develop)
1
outspread(verb, cover, increase, open, develop)
1
piggyback(verb, increase, open, develop, extend)
1
puff up(verb, expression, increase, open, develop)
1
pull out(verb, expression, phrasal verb, go, cover)
1
range(verb, go, cover, open, run)
1
rise(verb, advance, increase, develop, raise)
1
soup up(verb, expression, increase, open, develop)
1
stall(verb, take, cover, increase, open)
1
take(verb, cover, increase, open, develop)
1
unravel(verb, increase, open, develop, extend)
0
unfasten(verb, extend, expand, enlarge, widen)
10 years ago|8.3k views|share |citing 
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>