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  1. 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.

  2. 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.

  3. Seasonal Affective Disorder - Psychology Today

    Feb 28, 2022 · To be diagnosed with SAD, an individual must meet the criteria for major depression coinciding with specific seasons for at least two years. The individual must experience seasonal …

  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 - Wiktionary, the free dictionary

    Jan 20, 2026 · sad (third-person singular simple present sads, present participle sadding, simple past and past participle sadded) (transitive, archaic) To make melancholy; to sadden or grieve (someone). …

  6. SAD | definition in the Cambridge English Dictionary

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

  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 describes something that …

  8. 100 Saddest Movies: Best Sad Movies For a Good Cry

    100 Saddest Movies: Best Sad Movies For a Good Cry Blockbusters thrill, comedies kill with laughs, and horror gets the pulse a-poundin’. But for catharsis and rejuvenation, you’ll have to reach for a sad …

  9. Seasonal Depression - Symptoms, Causes, Treatments

    Apr 30, 2024 · Seasonal depression, also known as seasonal affective disorder (SAD), is a mood disorder that happens every year at about the same time. It usually starts in fall or winter and ends in …

  10. There’s the Winter Blues and then there’s Seasonal - WWLP

    6 hours ago · (Mass Appeal) – It’s dark, it’s cold, and tis the season for seasonal affective disorder commonly known as SAD. So what’s the difference between the winter blues and SAD?Edn…