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

SAD meaning: 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 …

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

Other uses SAD scheme, a form of intellectual property enforcement in the United States Singles Awareness Day, a humorous holiday every February 14 The Single Administrative Document, …

Nov 13, 2025 · What is SAD? SAD stands for Seasonal Affective Disorder and is a form of depression that appears and disappears following a seasonal cycle.

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 …

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

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

Nov 10, 2025 · Seasonal affective disorder (SAD) is a form of depression that occurs most commonly in the fall and winter due to less sunlight. Supplements such as vitamin D, omega …