2021年12月14日 · Seasonal affective disorder (SAD) is a type of depression that's related to changes in seasons — seasonal affective disorder (SAD) begins and ends at about the same times every year.

Synonyms for SAD: unhappy, heartbroken, depressed, miserable, sorry, bad, melancholy, upset; Antonyms of SAD: happy, glad, joyous, joyful, cheerful, cheery, jubilant, ecstatic

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.

2020年11月10日 · Sadness is defined as having grief, sorrow, or unhappiness. Sad feelings are also a part of depression and related to other parts of depression including poor self-worth, …

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

Sadness is an emotional pain associated with, or characterized by, feelings of disadvantage, loss, despair, grief, helplessness, disappointment and sorrow. An individual experiencing sadness may become quiet or lethargic, and withdraw themselves from others.

2025年3月7日 · sad (comparative sadder or more sad, superlative saddest or most sad) (heading) Emotionally negative. Feeling sorrow; sorrowful, mournful. Synonyms: depressed, down in the dumps, glum, melancholy; see also Thesaurus: sad Antonyms: cheerful, gleeful, happy, upbeat; see also Thesaurus: happy

Seasonal affective disorder (SAD) is a mood disorder subset in which people who typically have normal mental health throughout most of the year exhibit depressive symptoms at the same time each year. [1][2] It is commonly, but not always, associated with the reductions or increases in total daily sunlight hours that occur during the winter or su...

Seasonal affective disorder (SAD) is a type of depression that comes and goes in a seasonal pattern. SAD is sometimes known as "winter depression " because the symptoms are usually more apparent and more severe during the winter.