Secretive \Se*cret"ive\, a. Tending to secrete, or to keep secret or private; as, a secretive disposition. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

37 Moby Thesaurus words for "secretive": close, closemouthed, dark, discreet, disinclined to communicate, evasive, excretory, lachrymal, lachrymose, lacrimatory, lactational, lacteal, lacteous, meaningless, mum, reserved, reticent, rheumy, salivant, salivary, salivous, secret, secretional, secretory, seminal, serous, shifty, sialagogic, silent, spermatic, taciturn, tight-lipped, uncommunicative, unconversable, unsociable, watering, watery

Source: Moby Thesaurus II by Grady Ward, 1.0
 

secretive adj : inclined to secrecy or reticence about divulging information; "although they knew her whereabouts her friends kept close about it" [syn: close, closelipped, closemouthed, tightlipped]

Source: WordNet (r) 2.0
 

Secretive \Se*cret"ive\, a. Tending to secrete, or to keep secret or private; as, a secretive disposition.

Source: Webster's Revised Unabridged Dictionary (1913)