adj. 1
Not happy; sad.
adj. 2
Not lucky; unlucky.
The doomed lovers must have been born under an unhappy star.
n. 1
A person who is not happy.
v. 1
To make or become unhappy; to sadden.

Related words

Forms

From the opposite of unhappy, on the left, to its strongest synonyms, on the right.

depressed Tom said Mary has been feeling depressed recently.
disgruntled Tom Jackson was shot by a disgruntled former disciple.
despondent Millions of Russians feel cheated and despondent.
disconsolate A wilder or more disconsolate dwelling it was perhaps difficult to conceive.
unpleasant He spoke about the unpleasant story for two hours.
dissatisfied Dissatisfied customers are voting with their feet.

Use in printed books, per decade from 1850 to 2019.

3 letters: bad¹, sad¹
4 letters: poor¹, dire¹, glum¹
5 letters: sorry², moody², unfit², inept², inapt
6 letters: gloomy², dismal², sadden²
7 letters: unlucky³, hapless², depress², forlorn², joyless
8 letters: improper³, wretched², desolate³, dejected³, mournful², unseemly³, luckless²
9 letters: miserable⁴, depressed², sorrowful³, dysphoric³
10 letters: unpleasant³, disastrous³, distressed², melancholy⁴, unsuitable⁴, despondent³, dispirited⁴, malapropos
11 letters: unfortunate⁴, disgruntled³, inopportune⁴, crestfallen³, fortuneless
12 letters: dissatisfied⁴, inauspicious⁴, disconsolate, unpropitious
13 letters: inappropriate⁵

The small number after each word is its number of syllables (sorry² = 2 syllables).