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

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

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.

Dec 14, 2021 · Light therapy is one of the first line treatments for fall-onset SAD. It generally starts working in a few days to a few weeks and causes very few side effects. Research on light …

Sadness is an emotional pain associated with, or characterized by, feelings of disadvantage, loss, despair, grief, helplessness, disappointment and sorrow. An individual experiencing sadness …

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 …

SAD meaning: 1 : not happy feeling or showing grief or unhappiness; 2 : causing a feeling of grief or unhappiness

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 …