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

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

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

Definition of sad adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

13 Beal 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 …

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

3 days ago · Beat the winter blues – and even summer SAD – with expert tips on light therapy, diet and mindfulness for better seasonal mental health.

SAD definition: affected by unhappiness or grief; sorrowful or mournful. See examples of sad used in a sentence.