2
shade(verb, cover, moderate, obscure, protect)
2
soup up
2
swell(verb, advance, increase, raise, gain)
2
thicken(verb, set, advance, increase, raise)
2
triple(verb, advance, increase, raise, rise)
2
tunnel(verb, turn, produce, clean, discover)
2
wax(verb, advance, increase, raise, gain)
2
widen(verb, advance, increase, raise, rise)
1
accent(verb, increase, raise, severe, boost)
1
acuity
1
add fuel(verb, expression, increase, encourage, raise)
1
add to(verb, expression, advance, increase, raise)
1
advance(verb, increase, raise, rise, extend)
1
agent provocateur
1
anger(verb, disturb, encourage, agitate, arouse)
1
annex(verb, advance, increase, raise, rise)
1
annoy
1
ascend(verb, advance, increase, raise, swell)
1
ask for it(verb, expression, idiom, disturb, encourage)
1
becloud(verb, obscure, dim, blacken, unlit)
11 years ago|6.8k views|share |citing 
APASmart Define. (2015). deepen thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/deepen/thesaurus/synonyms
ChicagoSmart Define. 2015. "deepen thesaurus" https://smartdefine.org/deepen/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, deepen thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/deepen/thesaurus/synonyms>.
MLASmart Define. "deepen thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/deepen/thesaurus/synonyms>