Pronunciation: (sad),[key] —adj.,sad•der, sad•dest. 1. affected by unhappiness or grief; sorrowful or mournful: to feel sad because a close friend has moved away. 2. expressive of or characterized by sorrow: sad looks; a sad song. 3. causing sorrow: a sad disappointment; sad news. 4. (of color) somber, dark, or dull; drab.
5. deplorably bad; sorry: a sad attempt. 6. Obs.firm or steadfast.
Pronunciation: (säd),[key] —n. the 14th letter of the Arabic alphabet.