(noun) An individual who is not happy.
"It's better to be unhappy alone than unhappy with someone - so far."
"Unhappiness and pain is temporary. Your entire life can change in a year"
"An unmarried woman is way better than an unhappy married woman."
"Sometimes we are less unhappy in being deceived by those we love, than in being undeceived by them."
"Much unhappiness has come into the world because of bewilderment and things left unsaid."
"No one is completely unhappy at the failure of his best friend."