
- 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 (SAD) - Symptoms & causes - Mayo Clinic- Dec 14, 2021 · In most cases, seasonal affective disorder (SAD) symptoms appear during late fall or early winter and go away during the sunnier days of spring and summer. Less commonly, … 
- 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 … 
- Sad - definition of sad by The Free Dictionary- 1. affected by unhappiness or grief; sorrowful or mournful: to feel sad. 2. expressive of or characterized by sorrow: a sad song. 3. causing sorrow: sad news. 4. (of color) somber or dull; … 
- sad - Wiktionary, the free dictionary- 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: Definition, Meaning, and Examples sad - usdictionary.com- May 13, 2025 · As an adjective, "sad" primarily refers to feeling or showing unhappiness or sorrow. This is its most common usage, applied to both people and situations. It also … 
- Sadness - Wikipedia- Sadness is an emotional pain associated with, or characterized by, feelings of disadvantage, loss, despair, grief, helplessness, disappointment and sorrow. An individual experiencing sadness … 
- sad Definition & Meaning | Britannica Dictionary- SAD meaning: 1 : not happy feeling or showing grief or unhappiness; 2 : causing a feeling of grief or unhappiness 
- sad - WordReference.com Dictionary of English- feeling unhappiness or grief: to feel sad. expressing or causing sorrow: a sad song. sorry: a sad attempt to make a joke. sad•ly, adv.: She shook her head sadly as she read about the famine. …