1. Alone; separate from everyone else. Can we sit here, or are you guys eating by yourselves? I'm not letting you kids go to that park by yourselves—crossing that busy street is very dangerous!
2. Independently or relying on one's own abilities. I really don't want to have to call a plumber—can you guys do this repair by yourselves?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
1. with no one else present; alone (of two or more people). Are you two going to stand here by yourselves all evening? Don't sit home by yourselves. Come to the party.
2. with the help of no one else. Can you three do this by yourselves? I expect you guys to get there by yourselves.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.