107 entries under boost topic. ×

1
redouble(verb, increase, raise, severe)
1
refine(verb, clear, open, release, free)
1
reinforce(verb, increase, raise, severe, stimulate)
1
revitalize(verb, encourage, raise, stimulate, excite)
1
revivify(verb, encourage, excite, prepare)
1
set off(verb, expression, increase, raise, severe)
1
severe(verb, increase, raise, aggravate)
1
sharpen(verb, increase, raise, severe)
1
spike(verb, increase, raise, severe)
1
spur(verb, encourage, excite, prepare)
1
steel(verb, encourage, excite, prepare)
1
step up(verb, expression, increase, raise, severe)
1
stimulate spiritually(verb, expression, cheer, restore)
1
stir(verb, encourage, raise, stimulate, excite)
1
sway(verb, encourage, excite, prepare)
1
tone up(verb, expression, increase, raise, severe)
1
upraise(verb, encourage, comfort, strengthen)
1
warm(verb, encourage, delight, comfort)
1
whet(verb, increase, raise, severe)
0
boost up(verb, expression, encourage, strengthen)
11 years ago|9.6k views|share |citing 
APASmart Define. (2015). brighten thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/brighten/thesaurus/synonyms
ChicagoSmart Define. 2015. "brighten thesaurus" https://smartdefine.org/brighten/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, brighten thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/brighten/thesaurus/synonyms>.
MLASmart Define. "brighten thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/brighten/thesaurus/synonyms>