Definition of unhappy
(adj)
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"
causing discomfort; "the unhappy truth"
marked by or producing unhappiness; "infelicitous circumstances"; "unhappy caravans,
straggling afoot through swamps and canebrakes"- American Guide Series