Secretive

(a.) Tending to conceal, or to keep private; as, a secretive disposition.

Thesaurus Entries

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