| 1. | a person's self (used for emphasis or reflexively): One often hurts oneself accidentally. |
| 2. | be oneself,
|
| 3. | by oneself,
|
| 4. | come to oneself,
|

by oneself
Alone, unaccompanied; also, unassisted. For example, She enjoyed being by herself much of the time, or Brian can pick up his toys by himself. [c. a.d. 1000]