An academic grade issued by certain educational institutions. Slightly better than an A. / (slang) The highest possible rating.

A positive quantity. / An asset or useful addition. / (arithmetic) A plus sign: +.

(informal) To add; to subject to addition. / (often followed by 'up') To increase in magnitude. / To improve. / To provide critical feedback by giving suggestions for improvement rather than criticisms.

Being positive rather than negative or zero. / Positive, or involving advantage. / (physics) Electrically positive. / (postpositive) (Of a quantity) Equal to or greater than; or more; upwards.

And also; in addition; besides (which).

And; sum of the previous one and the following one. / (colloquial) With; having in addition.

(UK) Initialism of people like us. / (retail systems) Initialism of price lookup.

A friend or date whom one brings along to an event; a guest of a guest.

Alternative spelling of plus one

Alternative spelling of nonplus