<p><strong>Noun</strong></p><ul><li>The emotion of great delight or happiness caused by something exceptionally good or satisfying; keen pleasure; elation: She felt the joy of seeing her son's success.</li><li>A source or cause of keen pleasure or delight; something or someone greatly valued or appreciated: Her prose style is a pure joy.</li><li>The expression or display of glad feeling; festive gaiety.</li><li>A state of happiness or felicity.</li></ul><p><strong>Synonyms</strong></p><ul><li>Rapture</li><li>Bliss</li></ul><p><strong>Antonyms</strong></p><ul><li>Unhappiness</li><li>Grief</li><li>Sorrow</li><li>Misery</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) To feel joy; be glad; rejoice.</li><li>(used with object) Obsolete. To gladden.</li></ul>