number

number — verb

1. to give each thing in a group its own position in a list or series, usually by w

1.verbtransitiveB1
Definition

to give each thing in a group its own position in a list or series, usually by writing a number on it so that their order is clear.

Example

Christopher numbered every page of his thesis before handing it in.

number + noun phrase — marking items with numbers

All the seats in the hall were numbered so guests could find their places easily.

passive: be numbered

Common collocations
  • number the pages
  • number the seats
  • numbered list
  • numbered copy
Synonyms
  • label

    focuses on attaching a tag or name, not necessarily a number

  • tag

    more informal; can mean any kind of marker, not just a number

Grammar Patterns

number + noun phrase

be numbered (passive)

Usage Note

Commonly used in the passive form when the focus is on the items that have been marked rather than on the person doing the marking.

Common Mistakes

I numbered up the pages before binding.
I numbered the pages before binding.
'number' is not followed by 'up'; the object directly follows the verb.

2. to reach a particular total when you count the members of a group — used to say

2.verbtransitive / intransitiveB2
Definition

to reach a particular total when you count the members of a group — used to say how many people or things there are, especially in official or written contexts.

Example

The crowd that gathered for the rally numbered more than ten thousand.

subject (group) + number + quantity

Karim's stamp collection now numbers over eight hundred items from forty countries.

Common collocations
  • number in the thousands
  • number over/under
  • number a total of
  • number among
Synonyms
  • total

    more common in everyday English; used for both groups and amounts of money

  • amount to

    a phrasal verb with the same meaning, slightly less formal

  • reach

    focuses on attaining a specific figure rather than simply stating the count

Grammar Patterns

number + quantity/amount

be numbered among + group noun

Usage Note

The subject is always a group of people or things. The amount that follows is the total count of that group. This sense is often used in formal or written English rather than in casual conversation.

Common Mistakes

The students number 30 in the classroom.' (sounds stilted for everyday speech)
There are 30 students in the classroom.
'number' as 'amount to' is formal and best suited to reports, statistics, or written descriptions.
I numbered the people in the room.' (means you assigned them numbers, not that you counted them)
The people in the room numbered fifteen.
The subject must be the group itself, not the person counting.
Idioms

used to say that someone or something will not continue to exist, work, or live for much longer.

After the company's third loss in a row, the manager knew his job was numbered.

The old hospital's days were numbered once the new medical centre opened across town.

the best, most important, or most successful person or thing in a particular group or field.

Eve practised every day, determined to become number one in the regional tennis competition.

The song quickly rose to number one on the streaming charts and stayed there for weeks.

to take care of your own interests and well-being before those of other people.

In a tough job market, you sometimes have to look after number one and put your own career first.

Nala knew it sounded selfish, but she had learned that taking care of number one was necessary for her own survival.

number — noun