the state of being depressed; a hollow place in the surface of something, especially the ground

low spirits; despair

the state of being dissatisfied

discontent, unhappiness

to be sad, depressed

depression

the condition of being very tired

tiredness

the state of being monotonous

boredom; sameness

boredom

dullness, monotony

(to cause a person, animal) to become weary, in need of rest etc

exhaust, weary

disturbed social condition(s)

state of agitation; disturbance