1
incite(verb, make, press, promote, encourage)
1
increase(verb, advance, promote, raise, stimulate)
1
increase speed(expression, advance, timing, stimulate, rush)
1
inflate(verb, advance, increase, raise, swell)
1
influence(verb, make, press, encourage, speed)
1
inspire(verb, make, press, promote, encourage)
1
intensate(verb, advance, increase, raise, swell)
1
intensify(verb, advance, increase, raise, swell)
1
jack up(expression, continue, boost, include, reply)
1
jolly(verb, make, press, encourage, speed)
1
key up(verb, expression, phrasal verb, make, press)
1
kid(verb, make, press, encourage, speed)
1
lay a patch(expression, advance, timing, stimulate, rush)
1
lay rubber(expression, advance, timing, stimulate, rush)
1
lean on(verb, expression, phrasal verb, make, press)
1
lessen(verb, calm, quiet, help, reduce)
1
let fly(verb, expression, cause, discharge, speed)
1
let up on(verb, expression, idiom, phrasal verb, calm)
1
levitate(verb, advance, increase, raise, swell)
1
lift(verb, calm, quiet, help, advance)
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APASmart Define. (2015). speed up thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/speed_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "speed up thesaurus" https://smartdefine.org/speed_up/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, speed up thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/speed_up/thesaurus/synonyms>.
MLASmart Define. "speed up thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/speed_up/thesaurus/synonyms>