79 entries under boost topic. ×

2
inflate(verb, advance, increase, raise, rise)
2
intensate(verb, advance, increase, disturb, encourage)
2
multiply(verb, advance, increase, raise, rise)
2
quicken(verb, increase, disturb, encourage, raise)
2
swell(verb, advance, increase, raise, gain)
2
thicken(verb, set, advance, increase, raise)
2
triple(verb, advance, increase, raise, rise)
2
wax(verb, advance, increase, raise, gain)
2
widen(verb, advance, increase, raise, rise)
1
accent(verb, increase, raise, severe)
1
add fuel(verb, expression, increase, encourage, raise)
1
add to(verb, expression, advance, increase, raise)
1
advance(verb, increase, raise, rise, extend)
1
annex(verb, advance, increase, raise, rise)
1
brighten(verb, increase, raise, severe)
1
dilate(verb, advance, increase, raise, rise)
1
further(verb, advance, increase, raise, rise)
1
improve(verb, advance, increase, raise)
1
lengthen(verb, advance, increase, raise, rise)
1
lighten(verb, increase, raise, severe)
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APASmart Define. (2015). deepen thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/deepen/thesaurus/synonyms
ChicagoSmart Define. 2015. "deepen thesaurus" https://smartdefine.org/deepen/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, deepen thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/deepen/thesaurus/synonyms>.
MLASmart Define. "deepen thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/deepen/thesaurus/synonyms>