1. (

• unhappy

) experiencing or marked by or causing sadness or sorrow or discontent; "unhappy over her departure"; "unhappy with her raise"; "after the argument they lapsed into an unhappy silence"; "had an unhappy time at school"; "the unhappy (or sad) news"; "he looks so sad" ;

2. (

• dysphoric ,
• distressed ,
• unhappy ,

) generalized feeling of distress ;

3. (

• unhappy

) causing discomfort; "the unhappy truth" ;

4. (

• infelicitous ,
• unhappy

) marked by or producing unhappiness; "infelicitous circumstances"; "unhappy caravans, straggling afoot through swamps and canebrakes"- American Guide Series ;