109 entries under boost topic. ×

2
prolong(verb, take, cover, advance, increase)
2
protract(verb, take, cover, advance, increase)
2
put up(verb, expression, phrasal verb, form, make)
2
recruit(verb, get, increase, promote)
2
run up(verb, expression, form, make, get)
2
slap on(expression, advance, increase, open, develop)
2
tack on(verb, expression, advance, increase, open)
2
thicken(verb, advance, increase, open, develop)
2
triple(verb, advance, increase, raise, rise)
1
accent(verb, increase, raise, severe)
1
add fuel(verb, expression, increase, encourage, raise)
1
annex(verb, advance, increase, raise, rise)
1
brighten(verb, increase, raise, severe)
1
darken(verb, increase, raise, severe)
1
fetch up(verb, expression, get, increase, promote)
1
form(verb, make, get, increase, promote)
1
get(verb, increase, promote, encourage)
1
goose(verb, get, increase, promote)
1
goose up(verb, expression, get, increase, promote)
1
hike up(verb, expression, get, increase, promote)
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APASmart Define. (2015). heighten thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/heighten/thesaurus/synonyms
ChicagoSmart Define. 2015. "heighten thesaurus" https://smartdefine.org/heighten/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, heighten thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/heighten/thesaurus/synonyms>.
MLASmart Define. "heighten thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/heighten/thesaurus/synonyms>