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.

Dec 14, 2021 · If you're like most people with SAD, your symptoms start in the fall and continue into the winter months, sapping your energy and making you feel moody. These symptoms …

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

What is seasonal affective disorder (SAD)? What are the symptoms of SAD? What causes SAD? Do stressful events cause SAD? Is SAD more common in certain countries? Are there …

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 …

Oct 9, 2025 · 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 …

Oct 10, 2025 · Depression causes persistent feelings of sadness. Seasonal affective disorder (SAD) is when depression symptoms occur in winter months. Learn more here.

Learn about Seasonal Affective Disorder including symptoms, diagnosis and treatment. Seasonal affective disorder is a form of depression also known as SAD, seasonal depression or winter …

Apr 30, 2024 · Seasonal depression, also known as seasonal affective disorder (SAD), is a mood disorder that happens every year at about the same time. It usually starts in fall or winter and …