0 angry and unwilling to smile or be pleasant to people:
His daughters stared back at him with an expression of sullen resentment.
literary She looked up at the sullen (= dark and unpleasant) sky and shuddered.
1 silent and unpleasant:
They stared at him with an expression of sullen dislike.
fig. The skies looked very sullen (= dark and unpleasant).
Benefit is clear for intermediate and sullen families.
An example of the former might be trying to hold a conversation with a sullen teenaged son or daughter on the merits of atonal music.
It is little wonder that observers often described shepherds as sullen.
The violin, on edge, is forced for the first time into subterranean depths and rhythmically complex figures, leaps and runs as the trombone and tuba pursue it over sullen ground.
Terms such as "sullen," "moody," or "irritable" are used to describe emotional states that become more traitlike blends of different negative emotions seen in both internalizing and externalizing problems.
I think it would be a very great pity if we accepted this with resentment and rather sullen bitterness in our hearts.
A girl who was described as having a sunny disposition became sullen and nervous as time passed.
We cannot put any great value on a naval base if the population is against us—sulky, sullen and passively resisting.