uncommunicative
- a not inclined to talk or give information or express opinions
- Inside the department his controlled and uncommunicative style hasn't served him well.
- The remaining members of the nine-man committee were equally uncommunicative about what they had found out so far in their investigation of Bobby Gene Baker, 35, who last month .
- Silent and uncommunicative, she lay on her hospital bed fondling a shiny, new doll, fingering with reverence a holy picture pinned on her pillow.