1
free(verb, clear, open, reduce, release)
1
freshen
1
frill(trim, ornament, paint, embellish, illuminate)
1
furnish with light(verb, expression, idiom, shine, kindle)
1
garnish(trim, ornament, embellish, decorate, adorn)
1
gild the lily(expression, idiom)
1
give shot in arm(verb, expression, idiom, encourage, excite)
1
glimmer(verb, light, color, burn, shine)
1
glisten(verb, light, color, burn, shine)
1
glitter(verb, light, color, burn, shine)
1
gloss(verb, clean, improve, restore, shine)
1
glowing
1
goad(verb, encourage, excite, prepare, boost)
1
grace(trim, ornament, embellish, decorate, adorn)
1
grow bright
1
grow light
1
grow sunny(verb, expression, shine, glow, illuminate)
1
gussy up(verb, expression, clean, restore, trim)
1
hearted
1
heat up(verb, expression, increase, raise, severe)
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APASmart Define. (2015). brighten thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/brighten/thesaurus/synonyms
ChicagoSmart Define. 2015. "brighten thesaurus" https://smartdefine.org/brighten/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, brighten thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/brighten/thesaurus/synonyms>.
MLASmart Define. "brighten thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/brighten/thesaurus/synonyms>