Find Antonyms
sullenness Antonyms
Opposite of sullenness
Because the opposite of sullenness shifts with each meaning, the 12 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• noun (Context 1)
A state or attitude of silent, gloomy ill-humor, resentment, or morose withdrawal.
Usage Example
"His quiet cheerfulness during the family dinner made it clear that he was still upset about the argument."
Strongest
cheerfulness
geniality
Strong
amiability
good humor
joviality
sociability
affability
lightheartedness
• noun (Context 2)
A dismal, heavy, or overcast quality in the weather, sky, or environment.
Usage Example
"The gray brightness of the November sky seemed to weigh heavily on the quiet coastal town."
Strongest
brightness
Strong
radiance
sunniness
clearness
Similar words to sullenness
Words similar to sullenness shift depending on context. Common synonyms include:
sulkiness
moroseness
surliness
gloominess
dreariness
glumness
bleakness
somberness
Cite this Entry
Wordmom. (2026). Antonyms for Sullenness. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/sullenness