1. past tense and past participle of dismiss; to send someone away or tell them to leave
2. past tense and past participle of dismiss; to remove someone from their job
3. past tense and past participle of dismiss; to reject or refuse to consider something

Examples

• The teacher dismissed the class early.
• He was dismissed from his job for poor performance.
• The committee dismissed her proposal without discussion.
• The judge dismissed the case due to lack of evidence.
• Students were dismissed at 3 PM.
• She dismissed his concerns as unimportant.
• The charges against him were dismissed.
• The manager dismissed several employees during the layoffs.