reticent
I
adjective
cautious, concise, confidential, constrained, detached, distant, evasive, guarded, laconic, mute, noncommittal, recondite, remote, reserved, restrained, retiring, secretive, sparing of words, standoffish, succinct, taciturn, uncommunicative, unobtrusive, unresponsive, withdrawn
II
index
discreet, guarded, inarticulate, laconic, mute, noncommittal, taciturn, unobtrusive, unresponsive
Burton's Legal Thesaurus.
William C. Burton.
2006