1
pale(verb, raise, extend, weakened, lighter)
1
pall(verb, fast, bore, tire)
1
shade(open, reveal)
1
tarnish(verb, fix, clean)
1
tone down(verb, expression, phrasal verb, upset)
0
abash
0
alter
0
anesthetized(advance, raise, extend)
0
badger
0
bamboozle
0
be overcast
0
becloud
0
bedew
0
beef
0
befoul
0
befuddle
0
begrime
0
bellyache
0
bemire
0
bemuse
11 years ago|1.7k views|share |citing 
APASmart Define. (2015). brighten thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/brighten/thesaurus/antonyms
ChicagoSmart Define. 2015. "brighten thesaurus" https://smartdefine.org/brighten/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, brighten thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/brighten/thesaurus/antonyms>.
MLASmart Define. "brighten thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/brighten/thesaurus/antonyms>