adjective
Not happy; feeling or showing sadness or dissatisfaction.
She felt unhappy after receiving the news of her friend's departure.
Characterized by or causing unhappiness.
The unhappy ending of the movie left the audience in tears.
Experiencing or expressing discontent.
Many employees were unhappy with the lack of communication from management.
Unfortunate or regrettable.
It was an unhappy coincidence that they met at such a difficult time.