WordNet
on their own
adj. responsible for yourself; "now out of college and on their own" [syn: on one's own(p), on his own(p), on her own(p), on your own(p), on their own(p)]
Wikipedia
On Their Own
On Their Own is a 1940 American comedy film, directed by Otto Brower and written by Harold Buchman and Val Burton. The film stars Spring Byington, Kenneth Howell, George Ernest, June Carlson, Florence Roberts and Billy Mahan. The film was released on May 17, 1940, by 20th Century Fox.