Synonyms of unhappiness in English:

unhappiness


See US English definition of unhappiness

See UK English definition of unhappiness

See Spanish definition of infelicidad

noun

1‘I've seen too much unhappiness caused by broken marriages’

SYNONYMS
sadness, sorrow, dejection, depression, misery, cheerlessness, downheartedness, despondency, despair, desolation, wretchedness, malaise, glumness, gloom, gloominess, dolefulness
regret, melancholy, low spirits, mournfulness, woe, broken-heartedness, heartache, distress, chagrin, grief, pain, agony, mortification
informal the blues, down
rare disconsolateness, disconsolation