Open English Wordnet
Adjectives
(a)unhappyexperiencing 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 unhappy” (s)unhappycausing discomfort“the unhappy truth” (s)infelicitous, unhappymarked by or producing unhappiness“infelicitous circumstances”,
“unhappy caravans, straggling afoot through swamps and canebrakes” (American Guide Series)