unhappy

unhappy — adjective

1. feeling sorrow or displeasure, often because something has gone wrong or because

1.adjectiveA2
Definition

feeling sorrow or displeasure, often because something has gone wrong or because a situation is very different from what you hoped or expected.

Example

Salma felt unhappy after learning that her flight had been cancelled.

The team was unhappy with the way management handled the budget cuts.

be unhappy with + noun — expressing dissatisfaction

Common collocations
  • unhappy with
  • unhappy about
  • unhappy at
  • deeply unhappy
  • feel unhappy
  • look unhappy
  • unhappy customer
  • unhappy childhood
  • unhappy ending
Synonyms
  • sad

    more general; can describe brief or mild unhappiness without implying dissatisfaction

  • miserable

    stronger and more emotional, often describing ongoing suffering or discomfort

  • dissatisfied

    focuses specifically on unmet expectations or requirements rather than emotional sadness

  • displeased

    more formal than unhappy, often about a specific action or result

Antonyms
  • happy

    direct opposite — feeling joy or satisfaction

  • satisfied

    specifically opposite of the dissatisfaction aspect of this sense

Grammar Patterns

be unhappy with [something/someone]

be unhappy about [something]

feel/look/seem unhappy

unhappy + noun (person, expression, silence)

Usage Note

Frequently used with the prepositions with (for specific things or people) and about (for situations). When used attributively before a noun, it describes something caused by or showing sadness rather than the person feeling sad themselves.

Common Mistakes

She was unhappy from her test results.
She was unhappy with her test results.
The correct preposition is 'with' or 'about', not 'from'.
I am unhappy, so I ate a big meal.
I am unhappy, so I ate a big meal to cheer myself up.
'Unhappy' alone expresses sadness, but the sentence should make the emotional state the clear focus, not bury it.

2. not fitting or well-suited for a particular purpose, situation, or occasion — fo

2.adjectiveB2
Definition

not fitting or well-suited for a particular purpose, situation, or occasion — for example, an unhappy remark at a formal dinner or an unhappy choice of paint colour for a small room.

Example

Choosing those pink curtains for the office was an unhappy decision.

unhappy decision — poor or inappropriate choice

The comedian's joke was an unhappy choice for the solemn ceremony.

Common collocations
  • unhappy choice
  • unhappy decision
  • unhappy remark
  • unhappy coincidence
  • unhappy timing
  • unhappy combination
  • unhappy phrase
Synonyms
  • inappropriate

    more common and slightly broader; can describe behaviour, clothes, language

  • unsuitable

    very close in meaning; focuses on lack of fit for a purpose rather than poor judgement

  • ill-advised

    adds the idea that the choice showed poor judgement or lack of forethought

Antonyms
  • suitable

    direct opposite — fitting for a particular purpose or situation

  • appropriate

    correct or right for the circumstances

Grammar Patterns

be unhappy for [occasion/situation]

unhappy + noun (choice/decision/timing/coincidence/remark)

Usage Note

Only used for things (choices, decisions, remarks, timing, coincidences), never for people. Distinguish from Sense 1: this sense means 'not appropriate for the context', not 'feeling sad'. Common in formal or written English.

Common Mistakes

The man was unhappy for the role.' (meaning the role was not suitable for him)
The man was an unhappy choice for the role.
Sense 2 describes things like choices and decisions, not people themselves.

Word family

Synonym discussion

Sense: adjective/1

All four words describe negative feelings, but they differ in focus and strength. Sad is the most general and mildest — it covers any feeling of sorrow, from missing a friend to hearing bad news. Miserable is much stronger and suggests ongoing suffering or discomfort, both emotional and physical. Dissatisfied is less about emotion and more about judgement — it means your expectations or standards were not met. Displeased sits between dissatisfied and unhappy in formality; it is common in official complaints or written feedback. For everyday conversation, unhappy often works where any of these might fit: you can be unhappy with a meal (dissatisfied), unhappy about a loss (sad), or deeply unhappy in a job (miserable). Use sad for simple emotions, dissatisfied for unmet standards, and miserable when the feeling is intense and prolonged.

sad ↗miserable ↗dissatisfied ↗displeased ↗

Common collocations

Nouns

Adverbs

Phrases

  • make someone unhappy
  • unhappy about the situation
  • unhappy with the result

Prepositions

Etymology

Old EnglishMiddle EnglishEnglish

Formed in Middle English by adding the prefix un- (meaning 'not') to happy, which originally came from Old English 'hap' meaning luck, chance, or fortune. So unhappy literally meant 'not fortunate' before shifting toward its modern emotional meaning of 'not glad' or 'sorrowful'.