Since youâre borrowing a car that likely costs several thousand dollars and the rental company doesnât know you from the next person, the credit card is a guarantee of sorts that theyâll be getting paid no matter when â or in what condition â you return the vehicle.
Use wary in a sentence. LINK / CITE ADD TO WORD LIST. adjective. Wary is defined as watchful or cautious. An example of something wary is a glance in your rear view mirror when you think someone might be following you; a wary glance.
Webster Dictionary(5.00 / 1 vote)Rate this definition: 1  Caution(noun) a careful attention to the probable effects of an act, in order that failure or harm may be avoided; prudence in regard to danger; provident care; wariness. 2  Caution(noun) security; guaranty; bail.