foresight UK /ˈfɔːsaɪt/US /ˈfɔɹsaɪt/ noun4 •The ability, or the due use of one's ability, to foresee or prepare wisely for the future.Having the foresight to prepare an evacuation plan may have saved their lives. •The front sight on a firearm (e.g., rifle, handgun). •The ability to foresee future events in a supernatural or paranormal way, such as psychically. •A bearing taken forwards towards a new object. formsforesights