Synonyms of unhappy

Adjective

1. unhappy (vs. happy), lovesick, miserable, suffering, wretched, dejected, discontented#1, discontent, dysphoric#1, distressed#2, unhappy, infelicitous, joyless, sad, sorrowful, depressing#1, cheerless#1, uncheerful

usage: 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 (vs. euphoric), distressed, unhappy, dejected, unhappy

usage: generalized feeling of distress

3. unhappy, unpleasant (vs. pleasant)

usage: causing discomfort; "the unhappy truth"

4. infelicitous, unhappy, unfortunate (vs. fortunate)

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

Definition and meaning of unhappy (Dictionary)