0
fluster
0
fog
0
foment
0
fruit
0
fuse
0
gloom
0
gloominess
0
glower
0
grow(verb, trouble, increase, aggravate)
0
harass
0
hassle
0
hold(verb, trouble, increase, aggravate)
0
hound
0
improvement
0
incense
0
incite(verb, trouble, increase, aggravate)
0
increment
0
infuriate
0
intertwine
0
irk
11 years ago|2k views|share |citing 
APASmart Define. (2015). lighten thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/lighten/thesaurus/antonyms
ChicagoSmart Define. 2015. "lighten thesaurus" https://smartdefine.org/lighten/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, lighten thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/lighten/thesaurus/antonyms>.
MLASmart Define. "lighten thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/lighten/thesaurus/antonyms>