A person's self: general form of himself, herself, themself or yourself.

Alone; without assistance or help from others. / Alone, without another's immediate company / (rare) Used other than figuratively or idiomatically: see by, oneself.

(idiomatic) To behave or act naturally, without regard to how this behavior is perceived by others. / (idiomatic) To function physically and mentally as one normally does.

(informal) Tending not to interact with others; introverted; reserved.

Alternative form of to oneself

(chiefly UK) To be introverted; to stay away from others.

(idiomatic) Overcome; consumed by an emotion.

To take care of oneself without help.

(reflexive) To serve oneself, especially to take food or other supplies, rather than wait to be served by another; used to indicate friendly permission or invitation.

(euphemistic) To urinate or defecate.