275 entries under verb topic. ×

20
intensify(advance, increase, disturb, encourage)
17
heighten(advance, increase, disturb, encourage)
17
increase(advance, raise, gain, severe)
14
magnify(advance, increase, disturb, encourage)
12
expand(advance, increase, raise, gain)
12
extend(advance, increase, raise, rise)
11
strengthen(advance, increase, raise, rise)
10
aggravate(advance, increase, cause, disturb)
10
enhance(advance, increase, disturb, encourage)
10
redouble(advance, increase, disturb, encourage)
9
augment(advance, increase, raise, rise)
9
dig(turn, till, plow, rake)
9
rise(advance, increase, disturb, encourage)
7
amplify(advance, increase, raise, rise)
7
dig out(expression, phrasal verb, excavate, make deeper)
7
grow(advance, increase, raise, gain)
7
hollow(excavate, make deeper)
7
rouse(advance, increase, disturb, encourage)
6
develop(advance, increase, raise, rise)
6
exacerbate(increase, raise, severe, boost)
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APASmart Define. (2015). deepen thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/deepen/thesaurus/synonyms
ChicagoSmart Define. 2015. "deepen thesaurus" https://smartdefine.org/deepen/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, deepen thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/deepen/thesaurus/synonyms>.
MLASmart Define. "deepen thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/deepen/thesaurus/synonyms>