3
come again(verb, sound, say, pronunciation)
3
concentrate(verb, increase, raise, severe, boost)
3
consolidate
3
do over(verb, sound, say, pronunciation)
3
exalt(verb, increase, encourage, raise, severe)
3
extend(verb, advance, increase, develop, raise)
3
heat up(verb, expression, increase, raise, severe)
3
ingeminate(verb, sound, say, pronunciation)
3
lengthen(verb, advance, increase, raise, rise)
3
reecho(verb, repetition, echo)
3
regurgitate(verb, sound, say, pronunciation)
3
say again(verb, sound, say, pronunciation)
3
surge(verb, rise, maximum, up)
3
swell(verb, advance, increase, raise, rise)
3
twin(verb, increase, big)
2
accelerate(verb, advance, increase, raise, swell)
2
beef up(verb, expression, increase, raise, severe)
2
boost(verb, advance, increase, raise, rise)
2
build(verb, advance, increase, raise, rise)
2
come back(verb, sound, say, pronunciation)
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APASmart Define. (2015). redouble thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/redouble/thesaurus/synonyms
ChicagoSmart Define. 2015. "redouble thesaurus" https://smartdefine.org/redouble/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, redouble thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/redouble/thesaurus/synonyms>.
MLASmart Define. "redouble thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/redouble/thesaurus/synonyms>