Entry 1 sense Webster, 1913 Secretive /sēk'-rət-ĭv/ · Se·cret·ive · IPA /ˈsiːkɹɪtɪv/ 01 a. Tending to secrete, or to keep secret or private; as, a secretive disposition. 1. Tending to secrete, or to keep secret or private; as, a secretive disposition.