<p><strong>Verb:</strong></p><ul><li>to injure the credit or reputation of; defame</li><li>to show to be undeserving of trust or belief; destroy confidence in</li><li>to give no credence to; disbelieve</li></ul><p><strong>Noun:</strong></p><ul><li>loss or lack of belief or confidence; disbelief; distrust</li><li>loss or lack of repute or esteem; disrepute</li><li>something that damages a good reputation</li></ul>