abut, autonomous, circumference, circumscribe, civil, civilized, claustrophobia, coliseum, confine, confinement, contiguous, curfew, demarcate, distinct, eject, enclave, esophagus, exceed, extremity, forbid, forbidding, fore, fringe, frontier, gangster, globalization, inalienable, indeterminate, infraction, interdict, introvert, limit, mandatory, nebulous, obligatory, parameter, perimeter, periphery, precinct, precipice, prescribe, prohibit, proscribe, protocol, purlieu, range, ravine, restrict, restrictive, reticent, rigid, separate, servile, severance, stratosphere, stricture, stringent, submissive, subservient, taboo, taciturn, tether, threshold, troposphere, unbalanced, underclass, uneven, unfettered, unidentified, unstructured, untrammeled, vague, vertex, vertical, vista