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number one

Meaning in simple English, pronunciation and examples

Pronunciation: US /ˌnʌmbɚ ˈwʌn/ · UK /ˌnʌmbə ˈwʌn/

number one means: The best, most important, or highest in a list.

adjective

FIRST OR BESTB1

The best, most important, or highest in a list.

  • Safety is our number one priority.
  • She is his number one fan.
  • What is your number one concern?

Similar words: top, leading, foremost

Opposites: last

Common phrases: number one priority, number one fan, number one choice

BLACK PERSONC2

Describing a Black person, in rare American slang.

  • In that slang, a Black man was called a number one man.
  • The speaker used number one to mean Black.
  • Her use of number one referred to a Black person.

Similar words: Black, African American

Common phrases: number one man, number one woman

noun

THE NUMBERA1

The number 1, or a person or thing marked with 1.

  • Circle number one on the page.
  • I took bus number one.
  • Who can answer question number one?

Similar words: one

Common phrases: write number one, question number one, bus number one

TOP RANKED PERSONB1

A person who holds first place in a sport or other competition.

  • She became world number one.
  • The number one lost in the final.
  • Can he beat the current number one?

Similar words: top player, front runner

Common phrases: world number one, become number one, beat number one

YOURSELF FIRSTC1

Yourself, especially when you put your own needs before other people’s needs.

  • He always looks after number one.
  • Sometimes you need to put number one first.
  • She earned plenty but spent it all on number one.

Similar words: oneself

Common phrases: look after number one, protect number one

TOP SELLING SONGB1

A song that sells more than all other songs during a particular period.

  • Their song became a number one.
  • She had three number ones last year.
  • Will this single reach number one?

Similar words: chart topper

Common phrases: a number one, number one single, reach number one

PERSON IN CHARGEC1

The person who leads a group or has the most power.

  • She is number one here.
  • The deputy reported directly to number one.
  • Who is number one in this organization?

Similar words: boss, leader, chief

Common phrases: the number one, our number one

FIRST LIEUTENANTC2

A ship’s first lieutenant, an officer who helps the captain manage the crew.

  • The captain called for number one.
  • Our number one inspected the deck.
  • Number one gave the crew their orders.

Similar words: first lieutenant

Common phrases: the number one, ship’s number one

Questions about number one

What does number one mean?

The best, most important, or highest in a list.

What is number one in other languages?

Türkçe: bir numaralı · Español: principal · Français: numéro un · Deutsch: wichtigste · Italiano: numero uno · 日本語: 一番の

How do you pronounce number one?

In American English /ˌnʌmbɚ ˈwʌn/; in British English /ˌnʌmbə ˈwʌn/.

How do you use number one in a sentence?

Safety is our number one priority. She is his number one fan.

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number one in other languages

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