{adv.} or {adj. phr.} Free to go somewhere or do something; not shut in or stopped. * /The police promised to set the man at liberty if he told the names of the other robbers./ * /I am sorry, but I am not at liberty to come to your party./ Compare: AT LARGE(1).
AT LIBERTY
Meaning of AT LIBERTY in English
Slang English vocab. Английский сленговый словарь. 2012