tight-lipped

Adjective

 * 1)  Having the lips pressed tightly together, hence, not speaking.
 * 2) * 1922, Rafael Sabatini, Captain Blood: His Odyssy, chapter XXV:
 * He would have sprung upon Captain Blood, who stood aloof, alert, tight-lipped, and watchful.
 * 1)  Unwilling to divulge information.
 * 1)  Unwilling to divulge information.

Translations

 * Bulgarian:
 * German:
 * Hungarian:, ,
 * Italian:, nulladicente