v. phr. 1. To go wrong; miss your way; become unable to find the right direction. Fred lost himself in the confusion of downtown Boston streets. 2. To conceal yourself; hide. The pick-pocket lost himself in the crowd and escaped the police. 3. To become deeply interested and forget yourself; become absorbed. Sometimes Harry would lose himself in a book for an afternoon at a time.
Compare: IN A WORLD OF ONE'S OWN.