sixth sense noun 1sixth-sense verb 1forms 4 noun1 •Extrasensory perception; the ability to sense things by means other than the known bodily senses.Among themselves they communicate by means of what Perry says must be a sixth sense which is cognizant of a fourth dimension. — 1914 sixth-sense verb1 •To perceive or intuit through a sixth sense.Dorothy had sixth-sensed this question before the speaker had finished, and was ready with her reply[.] — 1891 formssixth-sensed · sixth-sensing · sixth-senses · sixth senses