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