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

Dec 14, 2021 · In most cases, seasonal affective disorder (SAD) symptoms appear during late fall or early winter and go away during the sunnier days of spring and summer. Less commonly, …

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

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

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 days ago · sad (comparative sadder or more sad, superlative saddest or most sad) (heading) Emotionally negative. She gets sad when he's away. c. 1590–1592 (date written), William …

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 …

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

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

Oct 31, 2025 · Seasonal affective disorder is more than just the winter blues. It is a form of depression linked to changing seasons. Two psychiatrists share more.