Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD ORIGIN

1540s, one's self. Hyphenated 18c.; written as one word from c.1827, on model of himself, itself, etc.

MORE RELATED WORDS FOR BY ONESELF

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.