Gone  adj. 1 (of time) past (not until gone nine). 2 a lost; hopeless. B dead. 3 colloq. Pregnant for a specified time (already three months gone). 4 slang completely enthralled or entranced, esp. By rhythmic music, drugs, etc.  be gone depart; leave temporarily (cf. *begone). Gone on slang infatuated with. [past part. Of *go1]