10
build up(verb, expression, phrasal verb, support, get)
10
compound(verb, increase, develop, extend, difficult)
10
sharpen(verb, advance, increase, raise, rise)
10
wax(verb, support, advance, increase, open)
9
escalate(verb, get, advance, increase, develop)
9
aggrandize(verb, take, cover, advance, increase)
9
exaggerate(verb, get, advance, increase, develop)
9
grow(verb, advance, increase, open, develop)
9
redouble(verb, advance, increase, develop, disturb)
9
reinforce(verb, support, get, advance, increase)
9
worsen(verb, decline, annoy, provoke, aggravate)
8
mount(verb, form, support, make, advance)
8
upraise(verb, form, make, raise, create)
7
advance(verb, get, increase, promote, turn)
7
blow up(verb, expression, phrasal verb, increase, open)
7
build(verb, advance, increase, develop, run)
7
burgeon(verb, advance, increase, open, develop)
7
develop(verb, take, cover, advance, increase)
7
erect(verb, form, make, fix, raise)
7
improve(verb, advance, increase, develop, raise)
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APASmart Define. (2015). heighten thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/heighten/thesaurus/synonyms
ChicagoSmart Define. 2015. "heighten thesaurus" https://smartdefine.org/heighten/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, heighten thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/heighten/thesaurus/synonyms>.
MLASmart Define. "heighten thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/heighten/thesaurus/synonyms>