secretive

adjective

known to a select few; clandestine

Wiktionary

Pronunciation: /səˈkɹiːtɪv/

adj

Etymology: Etymology tree English secrete Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus Old French -ifbor. Middle English -yf English -ive English secretive From secrete + -ive.

Relating to secretion.