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

Dec 14, 2021 · Seasonal affective disorder (SAD) is a type of depression that's related to changes in seasons — SAD begins and ends at about the same times every year. If you're like most people with …

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.

SAD is usually more common in the fall/winter (Winter SAD), though it may occur during the spring/summer (Spring SAD). Winter-onset SAD is more common and is often characterized by …

Mar 21, 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). …

1. Showing, expressing, or feeling sorrow or unhappiness: a sad face. 2. Causing sorrow or gloom; depressing: a sad movie; sad news. 3. Deplorable or inadequate; sorry: a sad state of affairs; a sad …

He's feeling sad because his pet died. People were sad that he was leaving. The experience left her sadder but wiser. Have you heard the sad news about his wife's illness? It'll be a sad day when you …