keep to oneself
verb1
To purposely avoid interaction with others; to be introverted.
- She preferred to keep to herself after her husband died.
- I've done no harm, I keep to myself / There's nothing wrong with my state of mental health1981, Men at Work, “Who Can It Be Now?”, in Business as Usual:
2
To refrain from telling or giving; to keep secret, or refuse to share.
- keep oneself to oneself
- Then he fell to gabbling strange and dreadful things which were not clearly understandable, and which the doctor admonished them to keep to themselves.1900, Mark Twain, chapter IV, in The Man That Corrupted Hadleyburg:
- Derived terms
- to oneself