The meaning of harmless is free from harm, liability, or loss. How to use harmless in a sentence. See examples of harmless used in a sentence.
Definition of harmless adjective in oxford advanced learner's dictionary. Things that are safe or benign don't cause harm, and are therefore harmless, like your dad's harmless teasing or a compostable paper plate that's harmless to the environment. If you describe someone or something as harmless, you mean that they are not important and therefore unlikely to annoy other people or cause trouble.
They are harmless, or at least not seriously misleading, just in so far as they can be tethered ultimately to real entities. Harmless is the national centre of excellence for self harm and suicide prevention. Jan 20, 2026adjective harmless (comparative more harmless, superlative most harmless) incapable of causing harm or danger;
He looks mean but he's harmless;
