To give (a person) cautionary notice or advice with regard to actions or conduct; to caution against neglect of duty or against wrong or mistaken…

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

Const. of. Obsolete.

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

To give guidance or suggestions, or state one's opinion, to (a person, etc.) as to the best course of… transitive. With against (formerly †from)…

transitive. To warn (a person) of or against potential danger or future error. Also with subordinate clause.

transitive. To advise or exhort (a person) against; to disadvise, dehort (from). ? Obsolete.

to set a watchword upon: to utter a caveat against. Obsolete.

transitive. To warn against a course, warn off from something.

transitive. To counsel against (an action, undertaking, etc.); = disadvise, v. 2.

transitive. To advise against (a course of action, undertaking, etc.); to recommend (something) should not be done.

transitive. To enter a caveat or caution against.

Const. from.

transitive. To caution in advance; to forewarn; to give (a person) prior warning of an event, occurrence, etc.