What is another word for keeping to oneself?
Pronunciation: [kˈiːpɪŋ tə wɒnsˈɛlf] (IPA) 
"Keeping to oneself" is a commonly used phrase that refers to one's tendency to stay quiet, reserved, and not share their thoughts or opinions with others.
There are several synonymous expressions that can be used in place of "keeping to oneself" - such as being introverted, reticent, taciturn, withdrawn, or solitary. When someone limits their interactions and socialization, they can also be described as being a loner, a recluse, or a hermit. Alternatively, one can use the term reserved, which conveys the idea of being cautious or discreet in one's communication and actions.
In short, there are various phrases that can be used to describe someone who tends to keep to themselves, and each one brings its nuance and connotation.
