The term 'at liberty' can be defined by several crossword solutions, including 'onshore' (7 letters), 'UNCONSTRAINED' (13 letters), 'FREE' (4 letters), 'LOOSE' (5 letters), 'IDLE' (4 letters), and 'onleave' (7 letters). This phrase is generally used to describe a person who is not bound by any obligations or restrictions, and is thus able to act freely. It can also refer to someone who is on vacation or leave from work, and is therefore not required to fulfill any duties.