172 entries under extend topic. ×

2
embroider(verb, increase, develop, improve)
2
enrich(verb, give, increase, develop, agree)
2
fan out(expression, take, cover, increase, open)
2
fill out(verb, expression, advance, increase, open)
2
further(verb, advance, increase, raise, rise)
2
grow larger(verb, expression, increase, develop, rise)
2
jack up(verb, expression, get, increase, develop)
2
jazz up(verb, expression, increase, develop)
2
make larger(expression, take, cover, increase, open)
2
mushroom(verb, get, increase, open, develop)
2
praise(verb, increase, improve, enhance)
2
prolong(verb, take, cover, advance, increase)
2
protract(verb, take, cover, advance, increase)
2
puff up(expression, increase, open, develop, rise)
2
slap on(expression, advance, increase, open, develop)
2
soup up(verb, expression, increase, open, develop)
2
spread out(expression, take, cover, increase, open)
2
tack on(verb, expression, advance, increase, open)
2
thicken(verb, advance, increase, open, develop)
2
triple(verb, advance, increase, raise, rise)
11 years ago|13k views|share |citing 
APASmart Define. (2015). heighten thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/heighten/thesaurus/synonyms
ChicagoSmart Define. 2015. "heighten thesaurus" https://smartdefine.org/heighten/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, heighten thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/heighten/thesaurus/synonyms>.
MLASmart Define. "heighten thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/heighten/thesaurus/synonyms>