unhappy

adjective

un·​hap·​py ˌən-ˈha-pē 

1

: not fortunate : unlucky

an unhappy coincidence

2

: not cheerful or glad : sad, wretched

3

a

: causing or subject to misfortune : inauspicious

b

: infelicitous, inappropriate

an unhappy choice

unhappiness noun

Synonyms

• sad
• depressed
• miserable
• heartbroken
• bad
• upset
• sorry
• worried
• melancholy
• disappointed

Examples of unhappy in a Sentence

I can see that he's unhappy, but I don't know why.

I've never seen her looking so unhappy.

For three unhappy days we were all stuck in the house because of the blizzard.

an unhappy choice of career

The movie's hero meets an unhappy fate.

Recent Examples on the Web

There are hot seats and there are inevitabilities, unhappy endings to would-be fairy tales. —Mirjam Swanson, Oc Register, 13 Sep. 2025

My research team works hard to keep the email addresses up to date, but executives keep changing their addresses to avoid having to deal with unhappy customers. —Christopher Elliott, Mercury News, 10 Sep. 2025

But few seemed to leave unhappy. —Jonathan Hawkins, CNN Money, 10 Sep. 2025

Very unhappy about every aspect. —Amira El-Fekki‎, MSNBC Newsweek, 10 Sep. 2025

Word History

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for unhappy

• chappie
• happy
• nappy
• pappy
• sappy
• scrappy
• snappy

Kids Definition

unhappy

adjective

un·​hap·​py ˌən-ˈhap-ē 

1

: not fortunate : unlucky

an unhappy mistake

2

: not cheerful : sad

3

: inappropriate

an unhappy color combination

unhappily

-ˈhap-ə-lē

adverb

unhappiness

-ˈhap-i-nəs

noun