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.

Alternative form of to oneself

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

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

(euphemistic) To urinate or defecate.

(vulgar, slang, literally) To soil oneself. / (vulgar, slang, figuratively) To be very frightened or astonished (to the extent that one might lose control of one's bowels).

(euphemistic) To lose control of one's bowels and accidentally defecate on oneself.

(UK, slang, vulgar, literally) To wet oneself. / (UK, slang, vulgar, figuratively) To be very scared (to the extent that one might lose control of one's bladder).