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

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

(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.

(US, idiomatic) To outdo oneself or do more than one's previous best.

(Britain, slang) To commit suicide.

Used other than figuratively or idiomatically: see speak, for. To provide an opinion only on one's own behalf. / (idiomatic, imperative) Expressing disagreement with an opinion expressed by another.