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  1. SAD Definition & Meaning - Merriam-Webster

    The meaning of SAD is affected with or expressive of grief or unhappiness : downcast. How to use sad in a sentence.

  2. Seasonal Affective Disorder - National Institute of Mental Health …

    Information about seasonal affective disorder (SAD), a type of depression, including signs and symptoms, how SAD is diagnosed, causes, and treatment options.

  3. Seasonal affective disorder (SAD) - Mayo Clinic

    Dec 14, 2021 · If you're like most people with SAD, your symptoms start in the fall and continue into the winter months, sapping your energy and making you feel moody. These symptoms …

  4. SAD | English meaning - Cambridge Dictionary

    SAD definition: 1. unhappy or sorry: 2. If something looks sad, it looks worse than it should because it is not…. Learn more.

  5. SAD definition and meaning | Collins English Dictionary

    If you are sad, you feel unhappy, usually because something has happened that you do not like. The relationship had been important to me and its loss left me feeling sad and empty. I'm sad …

  6. Sadness - Wikipedia

    Sadness is an emotional pain associated with, or characterized by, feelings of disadvantage, loss, despair, grief, helplessness, disappointment and sorrow. An individual experiencing sadness …

  7. sad - Wiktionary, the free dictionary

    Oct 31, 2025 · Woad, or wade, is used by the dyers to lay the foundation of many colours, especially all sad colours.

  8. Depression vs. sadness: How to tell the difference

    Nov 25, 2024 · Learn how to recognize depression and sadness, and find out when medical help may be needed. Find out what role medications and counseling play in treatment.

  9. sad Definition & Meaning | Britannica Dictionary

    SAD meaning: 1 : not happy feeling or showing grief or unhappiness; 2 : causing a feeling of grief or unhappiness

  10. SAD Synonyms: 263 Similar and Opposite Words - Merriam-Webster

    Synonyms for SAD: unhappy, heartbroken, depressed, miserable, sorry, bad, melancholy, upset; Antonyms of SAD: happy, glad, joyous, joyful, cheerful, cheery, jubilant, ecstatic