6
rise(verb, advance, increase, develop, disturb)
5
add(verb, increase, rise, boost, swell)
5
enlarge(verb, advance, increase, raise, rise)
5
escalate(verb, advance, increase, raise, rise)
5
exaggerate(verb, advance, increase, raise, rise)
5
expand(verb, advance, increase, develop, raise)
5
rouse(verb, support, charge, advance, increase)
5
whet(verb, support, charge, increase, disturb)
4
amplify(verb, advance, increase, raise, rise)
4
blow up(verb, expression, increase, rise, aggravate)
4
copy(verb, sound, say, pronunciation)
4
exacerbate(verb, increase, raise, severe, boost)
4
geminate(verb, increase, big, duplication)
4
grow(verb, advance, increase, develop, raise)
4
iterate(verb, sound, say, repetition, pronunciation)
4
replicate(verb, increase, sound, copy, grow)
4
reproduce(verb, fake, copy, counterfeit, imitate)
4
sharpen(verb, advance, increase, raise, rise)
4
step up(verb, expression, advance, increase, raise)
3
add to(verb, expression, advance, increase, raise)
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APASmart Define. (2015). redouble thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/redouble/thesaurus/synonyms
ChicagoSmart Define. 2015. "redouble thesaurus" https://smartdefine.org/redouble/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, redouble thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/redouble/thesaurus/synonyms>.
MLASmart Define. "redouble thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/redouble/thesaurus/synonyms>