6
mount(verb, advance, increase, disturb, encourage)
6
reinforce(verb, advance, increase, raise, rise)
6
sharpen(verb, advance, increase, raise, rise)
5
accelerate(verb, advance, increase, raise, swell)
5
compound(verb, boost, swell, enlarge, add)
5
concentrate(verb, increase, raise, severe, boost)
5
darken(verb, cover, increase, raise, moderate)
5
enlarge(verb, advance, increase, raise, gain)
5
escalate(verb, advance, increase, raise, rise)
5
exaggerate(verb, advance, increase, raise, rise)
5
excavate(verb, turn, produce, clean, discover)
5
gather(verb, increase, gain)
5
sink
5
step up(verb, expression, phrasal verb, advance, increase)
4
lower(verb, lower, make deeper)
4
depress(verb, turn, produce, lower, clean)
4
double(verb, advance, increase, raise, rise)
4
dredge(verb, turn, produce, clean, discover)
4
inflame(verb, disturb, encourage, rise, arouse)
4
raise(verb, advance, increase, encourage, rise)
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>