55 entries under deepen topic. ×

4
sharpen(verb, advance, increase, raise, rise)
4
step up(verb, expression, advance, increase, raise)
3
add to(verb, expression, advance, increase, raise)
3
concentrate(verb, increase, raise, severe, boost)
3
exalt(verb, increase, encourage, raise, severe)
3
extend(verb, advance, increase, develop, raise)
3
heat up(verb, expression, increase, raise, severe)
3
swell(verb, advance, increase, raise, rise)
2
beef up(verb, expression, increase, raise, severe)
2
boost(verb, advance, increase, raise, rise)
2
distend(verb, advance, increase, raise, rise)
2
glorify(verb, increase, expand, enhance, enlarge)
2
intensate(verb, advance, increase, develop, disturb)
2
quicken(verb, increase, disturb, encourage, raise)
1
accent(verb, increase, raise, severe, boost)
1
accentuate(verb, increase, raise, severe, boost)
1
add fuel(verb, expression, increase, encourage, raise)
1
brighten(verb, increase, raise, severe, boost)
1
build up(verb, expression, advance, increase, raise)
1
darken(verb, increase, raise, severe, boost)
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APASmart Define. (2015). redouble thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/redouble/thesaurus/synonyms
ChicagoSmart Define. 2015. "redouble thesaurus" https://smartdefine.org/redouble/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, redouble thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/redouble/thesaurus/synonyms>.
MLASmart Define. "redouble thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/redouble/thesaurus/synonyms>