Legal Definition
In a legal context, 'harmless' refers to a condition or action that does not cause actual harm, injury, or loss under the law. It signifies that an event, action, or state of affairs has occurred without resulting in a legally recognized detriment or liability for the affected party.
Plain-English Translation
Imagine something happens where nobody gets hurt or loses anything important. If something happens but it doesn't cause any real damage or legal problem, then it is 'harmless'.