Synonyms of 'constrained'

aloof, backward, bashful, blank, bridled, chilly, cold, cool, detached, discreet, distant, forbidding, frigid, frosty, guarded, icy, impassive, impersonal, inaccessible, incommunicable, limited, modest, noncommittal, offish, Olympian, pent-up, quiet, remote, removed, reserved, retarded, reticent, retiring, stable, standoffish, subdued, tempered, unapproachable, uncongenial, undemonstrative, ungenial, withdrawn