second sight se·cond·sight uncommon noun 1. apparent power to perceive things that are not present to the senses Synonymsclairvoyancesecond sightextrasensory perceptionE.S.P.ESP Related words Word family second-sighted Broader terms psychic phenomena Narrower terms precognition WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.