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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. 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.

  3. Seasonal affective disorder (SAD) - Symptoms & causes - 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 definition and meaning | Collins English Dictionary

    If you describe someone as sad, you do not have any respect for them and think their behaviour or ideas are ridiculous.

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

    Recent Examples of Synonyms for sad. Pauline Collins, the exuberant British actress who inspired women — and men, too — to do something to change their unhappy lives with her …

  6. 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.

  7. Sad: Definition, Meaning, and Examples sad - usdictionary.com

    May 13, 2025 · As an adjective, "sad" primarily refers to feeling or showing unhappiness or sorrow. This is its most common usage, applied to both people and situations. It also …

  8. How the psychiatrist who discovered SAD deals with seasonal …

    6 days ago · How to avoid seasonal depression, according to the expert who discovered it Norman Rosenthal uses light in his home to help with seasonal affective disorder. Spoiler …

  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 | definition in the Cambridge Learner’s Dictionary

    SAD meaning: 1. unhappy or making you feel unhappy: 2. not pleasant or satisfactory: 3. boring or not…. Learn more.