1. (of a person or an organization) inclined to conceal feelings and intentions or not to disclose information: "she was very secretive about her past"
▪ (of a state or activity) characterized by the concealment of intentions and information: "secretive deals"
▪ (of a person's expression or manner) having an enigmatic or conspiratorial quality:"a secretive smile"
Word Originmid 19th century: back-formation from secretiveness, suggested by French secrétivité, from secret ‘secret’.