Warning synonyms, warning pronunciation, warning translation, english dictionary definition of warning. How to use warning in a sentence. There are a number of ways of warning someone. The state of being warned. Message intended to inform of danger. An instance of … The soldiers opened fire without warning. This dictionary definitions page includes all the possible meanings, example usage and translations of the word warning. See examples of warning used in a sentence. The act or utterance of one who warns or the existence, appearance, sound, etc. , of a thing that warns. A statement telling of or an indication providing evidence of impending … A warning is something that makes us aware of possible danger. Check meanings, examples, usage tips, pronunciation, domains, and related words. The meaning of warning is the act of warning : Warnings can be weak or strong. The action of the verb warn; A warning is an advance notice of something that will happen, often something unpleasant or dangerous. Discover expressions like red flag warning, serve … What does warning mean?