number one

Meanings

1. First; foremost; best, often used after its headword.
2. Black, African-American.

1. The most important person, the one who is in charge.
2. Someone who is top of a ranking, who is ranked first.
3. Oneself, being considered foremost, as by an egoist.
4. Urine; urination.
5. The single that has sold the most in a given period.
6. The main goalkeeper of a team, so-called because they wear the number 1 on the back of their kit.
7. The batsman who opens the batting.
8. A first lieutenant.
9. A large town where theatrical performances may expect to achieve success.
10. Used other than figuratively or idiomatically: see number, one.

1. A locality in the MidCoast council area, eastern New South Wales, Australia.

Etymology

Piecewise doublet of numero uno.