Acquit definition : to relieve from a charge of fault or crime; declare not guilty.. See examples of ACQUIT used in a sentence. ACQUIT meaning : 1. to decide officially in a law court that someone is not guilty of a particular crime: 2. to do…. Learn more. ACQUIT definition: 1. to decide officially in a law court that someone is not guilty of a particular crime: 2. to do…. Learn more. Acquitted definition: having been declared not guilty of a crime .. See examples of ACQUITTED used in a sentence.