number one

English

Pronunciation

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Adjective

number one (not comparable)

1. (idiomatic) First; foremost; best, often used after its headword.

   Commuting to work is the number one reason to own a car.

   He is my enemy number one.

2. (US, law enforcement) Black, African-American.

Translations

first, foremost, best

• Chinese:

  Cantonese: 頭號／头号 (tau⁴ hou⁶)

  Mandarin: 頭號／头号 (zh) (tóuhào)

• Finnish: tärkein (fi), suurin (fi), ykkös- (fi); numero yksi (only after headword)
• Japanese: ナンバーワン (nanbā wan)
• Korean: 넘버원 (neombeowon)
• Vietnamese: số một (vi)

Noun

number one (plural number ones)

1. The most important person, the one who is in charge.
2. Someone who is top of a ranking, who is ranked first.
   • 1979, Robert Hazard (lyrics and music), “Girls Just Want to Have Fun”, in She's So Unusual‎^[1], performed by Cyndi Lauper, published 1983:

     The phone rings, in the middle of the night / My father yells "what you gonna do with your life" / Oh, daddy, dear, you know you're still number one / But girls, they wanna have fun / Oh, girls just wanna have...

   • 2011 July 3, Piers Newbury, “Wimbledon 2011: Novak Djokovic beats Rafael Nadal in final”, in BBC Sport‎^[2]:

     Djokovic came through 6-4 6-1 1-6 6-3 to end Nadal's reign as Wimbledon champion, before overtaking the Spaniard as world number one on Monday.

3. Oneself, being considered foremost, as by an egoist.
   • 1836 March – 1837 October, Charles Dickens, “(please specify the chapter name)”, in The Posthumous Papers of the Pickwick Club, London: Chapman and Hall, […], published 1837, →OCLC:

     No man should have more than two attachments—the first, to number one, and the second to the ladies; that's what I say—ha! ha!

4. (childish, euphemistic) Urine; urination.
   • 1953, Samuel Beckett, Watt, 1st American edition, New York, N.Y.: Grove Press, published 1959, →OCLC:

     He might have got up, without the bell's sounding, to do his number one, or number two, in his great big white chamber-pot.

5. (music) The single that has sold the most in a given period.
6. (soccer) The main goalkeeper of a team, so-called because they wear the number 1 on the back of their kit.
   • 2011 January 5, Jonathan Stevenson, “Arsenal 0 - 0 Man City”, in BBC‎^[3]:

     England number one Hart produced a magnificent moment to deny Van Persie once more just after the hour mark, leaping across his goal to fingertip the Dutchman's crashing 25-yard, top corner-bound drive away.

7. (cricket) The batsman who opens the batting.
8. A first lieutenant.
9. (theater) A large town where theatrical performances may expect to achieve success.
10. Used other than figuratively or idiomatically: see number,‎ one.

Coordinate terms

• number two (especially regarding the urination sense), number three, number four, number five, number six, number seven, number eight, number nine, number ten, and so on

Derived terms

• do number one, go number one
• look out for number one
• number one with a bullet
• Christmas number one

Translations

someone who is in charge

• Japanese: ナンバーワン (nanbā wan)
• Russian: гла́вный (ru) m (glávnyj), ста́рший (ru) m (stáršij)

top-ranking person

• French: numéro un (fr)
• Russian: гла́вный (ru) (glávnyj), гла́вное лицо́ n (glávnoje licó)

urine or urination euphemism

• Dutch: ("small errand") kleine boodschap
• Finnish: pieni hätä
• French: ("small errand") petite commission (fr)
• Greek: ψιλό (el) n (psiló)
• Hindi: पेशाब (hi) m (peśāb), मूत (hi) m (mūt), मूत्र (hi) m (mūtra)
• Japanese: 小 (ja) (shō)
• Lithuanian: mažas reikalas m
• Macedonian: ма́ла ну́жда f (mála núžda)
• Polish: jedynka (pl) f
• Portuguese: número um (pt) m
• Russian: ма́лое де́ло n (máloje délo), ма́лая нужда́ m (málaja nuždá), по-маленькому (ru) m (po-malenʹkomu)
• Spanish: águas menores f pl
• Swedish: nummer ett, litet ärende n (literally “little errand”)
• Turkish: küçük tuvalet, küçük (tr)

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked‌: "the most important person or thing"

• Romanian: ^{(please verify)} numărul unu n
• Tok Pisin: ^{(please verify)} namba wan