
SAD Definition & Meaning - Merriam-Webster
The meaning of SAD is affected with or expressive of grief or unhappiness : downcast. How to use sad in a sentence.
Seasonal Affective Disorder - National Institute of Mental Health …
Information about seasonal affective disorder (SAD), a type of depression, including signs and symptoms, how SAD is diagnosed, causes, and treatment options.
Seasonal affective disorder (SAD) - Mayo Clinic
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 | English meaning - Cambridge Dictionary
SAD definition: 1. unhappy or sorry: 2. If something looks sad, it looks worse than it should because it is not…. Learn more.
SAD definition and meaning | Collins English Dictionary
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 …
Seasonal affective disorder - Wikipedia
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 …
Depression vs. Seasonal Affective Disorder (SAD): What to Know
Oct 10, 2025 · Depression causes persistent feelings of sadness. Seasonal affective disorder (SAD) is when depression symptoms occur in winter months. Learn more here.
Seasonal Affective Disorder - Johns Hopkins Medicine
What is seasonal affective disorder? Seasonal affective disorder (SAD) is a type of depression. It happens during certain seasons of the year, most often fall or winter. It is thought that shorter …
Seasonal Affective Disorder - What is SAD? | SAMHSA
Apr 24, 2023 · Seasonal affective disorder, or SAD, is a condition in which some people experience a significant mood change when the seasons change. SAD is not considered a …
Seasonal Depression - Symptoms, Causes, Treatments
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 …