The direct opposite of happiness, a type of emotional Pain associated with feelings of disadvantage, loss, despair, grief, disappointment, and sorrow. An individual experiencing sadness may become quiet or lethargic, and withdraw themselves from others. An example of severe sadness is depression.
“Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad.” (Henry Wadsworth Longfellow)