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

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.

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 …

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 …

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

feeling unhappiness or grief: to feel sad. expressing or causing sorrow: a sad song. sorry: a sad attempt to make a joke. sad•ly, adv.: She shook her head sadly as she read about the famine. …

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