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.

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 days …

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 that Julie's …

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

Oct 4, 2025 · Seasonal affective disorder is depression that occurs when the seasons change. You may use light therapy to decrease depression symptoms.

4 days ago · For some people, the start of winter can bring the onset of depression, fatigue, and agitation. These symptoms can be severe enough to interfere with day-to-day life. This may be more …

Nov 25, 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 (someone). …

Feb 28, 2022 · To be diagnosed with SAD, an individual must meet the criteria for major depression coinciding with specific seasons for at least two years. The individual must experience seasonal …