Word Type

Adjective

Adjective

Verb

Noun

The word "unhappy" can be used as adjective, adjective, verb and noun.

Word Relationships

Opposites (Antonyms)

delighted exuberant glad happy happy joyful joyous

Derived Terms

unhappy number unhappy triad

Derived From

happy

Related Terms

cheerless dejected discontented dysphoric happy infelicitous joyless lucky sad satisfied sorrowful suitable unlucky unsatisfied unsuitable

Similar Terms

cheerless dejected depressing discontent discontented distressed dysphoric infelicitous joyless lovesick lovesick miserable miserable sad sorrowful suffering uncheerful unfortunate unpleasant unpleasant wretched

Synonym Network

dysphoric infelicitous

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.