ALL meanings of by oneself
by one·self
B b - idioms by oneself be oneself, to be in one's normal state of mind or physical condition. to be unaffected and sincere: One makes more friends by being oneself than by putting on airs. 1
- idioms by oneself by oneself, without a companion; alone. through one's own efforts; unaided: to become a millionaire by oneself. 1
- idioms by oneself come to oneself, Also, come to. to regain consciousness. to regain one's self-possession; come to one's senses. Also, come to one's self. 1
- preposition by oneself Alone; without assistance or help from others. 0
- preposition by oneself Alone, without another's company. 0
- preposition by oneself (rare) Used other than as an idiom: see by, oneself. 0