transitive. To give timely notice to (a person) of impending danger or misfortune.

transitive. To warn, caution, or admonish beforehand; also, to give previous notice to. Const. of, to with infinitive, or that with object sentence.

transitive. To warn or exhort (a person). Formerly usually with infinitive or that-clause. Obsolete.

transitive. To forewarn; to advise, caution, notify, or admonish beforehand. Frequently with of, that-clause, or infinitive. Now somewhat rare.

To warn.

transitive. To admonish beforehand; to forewarn.

transitive. To warn (a person) beforehand. In early use also: †to give warning of (an event) beforehand (obsolete). Also intransitive: to give…

transitive. To advise or warn beforehand; to forewarn.

transitive. To inform, notify, or warn (a person) of something. Now chiefly Irish English (northern).

transitive. To notify, warn (a person) of (also concerning, †against) something; to give warning or information about something. Now rare.

slang.to give (or get) the (also a) wire: to give or get a private warning or message.