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  • sad
    sad
    adjective
    affected by unhappiness or grief; sorrowful or mournful.
  • sād
    sād
    noun
    the 14th letter of the Arabic alphabet.
  • SAD
    SAD
    seasonal affective disorder.
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Acronyms dictionary results for SAD.
Synonyms

sad

1 American  
[sad] / sæd /

adjective

sadder, saddest
  1. affected by unhappiness or grief; sorrowful or mournful.

    to feel sad because a close friend has moved away.

    Synonyms:
    melancholy, dejected, depressed, downhearted, downcast, gloomy, discouraged, disconsolate, despondent, unhappy
    Antonyms:
    happy
  2. expressive of or characterized by sorrow.

    sad looks;

    a sad song.

  3. causing sorrow.

    a sad disappointment;

    sad news.

  4. (of color) somber, dark, or dull; drab.

  5. deplorably bad; sorry.

    a sad attempt.

  6. Obsolete. firm or steadfast.


sād 2 American  
[sahd] / sɑd /

noun

  1. the 14th letter of the Arabic alphabet.


SAD 3 American  
  1. seasonal affective disorder.


sad 1 British  
/ sæd /

adjective

  1. feeling sorrow; unhappy

  2. causing, suggestive, or expressive of such feelings

    a sad story

  3. unfortunate; unsatisfactory; shabby; deplorable

    her clothes were in a sad state

  4. informal ludicrously contemptible; pathetic

    he's a sad, boring little wimp

  5. (of pastry, cakes, etc) not having risen fully; heavy

  6. (of a colour) lacking brightness; dull or dark

  7. archaic serious; grave

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to express sadness or displeasure strongly

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
SAD 2 British  

abbreviation

  1. seasonal affective disorder

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of sad1

First recorded before 1000; Middle English; Old English sæd “grave, heavy, weary,” originally “sated, full”; cognate with German satt, Gothic saths “full, satisfied”; akin to Latin satis “enough,” satur “sated,” Greek hádēn “enough.” See satiate, saturate

Origin of sād2

From Arabic

Explanation

When you're sad, you feel unhappy. If you've ever experienced the death of a pet you loved deeply, you know exactly what it means to feel sad. You might use the adjective sad informally to describe something that's pathetic or that you feel scornful or disdainful about. For example, you might comment on your friend's elaborate homemade hat by saying, "That hat is just sad," though it wouldn't be very nice of you to say it. The term "sad sack" became popular during World War II and has been used ever since to refer to an incompetent, slightly pitiful person.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Thank you guys for being here, and I really hope you love ‘You Seem Pretty Sad for a Girl So in Love’ as much as I do.”

From Los Angeles Times • Jun. 15, 2026

But one look at the title – You Seem Pretty Sad for a Girl So in Love – suggests paradise wasn't what it seemed.

From BBC • Jun. 10, 2026

Tens of thousands of demonstrators gathered in central Belgrade Saturday to renew calls for early elections that grew out of the anti-corruption movement sparked by the 2024 Nov Sad rail station disaster.

From Barron's • May 23, 2026

“I am counting down the days till I get to sing all of the songs from ‘You Seem Pretty Sad for a Girl So in Love’ with u guys,” Rodrigo wrote.

From Los Angeles Times • Apr. 30, 2026

To Duane, a melted iceberg would unquestionably fall under the Sad Things category.

From "The Very, Very Far North" by Dan Bar-el

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