Definition from Wiktionary, the free dictionary
- Present participle of warn.
warning (plural warnings)
- The action of the verb warn; an instance of warning someone.
- Something spoken or written that is intended to warn.
- The boss gave him a warning that he would be fired if he did not desist from his behaviour.
instance of warning someone
something spoken or written that is intended to warn
- Used to warn of danger in signs and notices.