2
boost(verb, advance, increase, raise, rise)
2
broaden(verb, advance, increase, raise, rise)
2
build up(verb, expression, advance, increase, raise)
2
combine
2
commute
2
convert
2
deteriorate
2
distend(verb, advance, increase, raise, rise)
2
drill(verb, turn, produce, clean, discover)
2
exasperate
2
hop up
2
hot up
2
inflate(verb, advance, increase, raise, rise)
2
intensate(verb, advance, increase, disturb, encourage)
2
jazz up
2
key up(expression, disturb, agitate, arouse, stir)
2
mine(verb, turn, produce, clean, discover)
2
multiply(verb, advance, increase, raise, rise)
2
quicken(verb, increase, disturb, encourage, raise)
2
scoop(verb, turn, produce, clean, discover)
11 years ago|6.8k views|share |citing 
APASmart Define. (2015). deepen thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/deepen/thesaurus/synonyms
ChicagoSmart Define. 2015. "deepen thesaurus" https://smartdefine.org/deepen/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, deepen thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/deepen/thesaurus/synonyms>.
MLASmart Define. "deepen thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/deepen/thesaurus/synonyms>