format

format — noun

IPA/ˈfɔːmæt/
KK[fˈɔrmˌæt]IPA/ˈfɔːrmæt/
  • formatsingular
  • formatsplural

1. the way in which something is organized or presented to the people who will see,

1.nounB1
Definition

the way in which something is organized or presented to the people who will see, hear, or use it

Example

The interview followed a question-and-answer format, with viewers sending in questions.

countable: follow + format

The course uses an online format that lets students learn at their own speed.

Common collocations
  • adopt a format
  • change the format
  • in ... format
  • follow a ... format
Synonyms
  • layout

    more about the physical or visual placement of elements on a page or screen

  • structure

    focuses on how parts connect and relate to each other, not just appearance

  • arrangement

    emphasizes the order in which items are placed, less about overall design

  • pattern

    implies a repeated or predictable design, narrower than format

Grammar Patterns

format + of + noun phrase

in + adjective + format

Usage Note

Often used with an adjective describing the type of structure (online format, digital format, live format, etc.).

Common Mistakes

The format of the book is 20 cm by 25 cm.' (talking about physical size).
The book's dimensions are 20 cm by 25 cm.
'format' refers to arrangement or structure, not exact measurements.

2. a particular way of arranging and storing digital information so that computer p

2.nounB1
Definition

a particular way of arranging and storing digital information so that computer programs can read and process it

Example

Photos saved in the JPEG format take up less space on the hard drive.

in + [file-type] + format

The video file was in a format that the old laptop could not play.

Common collocations
  • in ... format
  • save as ... format
  • convert to ... format
  • support a format
Synonyms
  • file type

    more commonly used for the category of a file (.pdf, .jpg); format also includes the internal structure

  • encoding

    refers specifically to how data is converted into binary code, a narrower technical term

Grammar Patterns

in + noun + format

convert + noun + to/into + format

Usage Note

Common with file extensions (.pdf, .docx, .mp3, etc.) which identify the format. Users often specify the format when saving or sharing files.

Common Mistakes

The photo is in JPEG format file.
The photo is in JPEG format.' or 'The photo is a JPEG file.
'format' already describes the type, so 'file' is redundant.

format — verb

IPA/ˈfɔː.mæt/
KK[fˈɔrmˌæt]IPA/ˈfɔːr.mæt/

Word family

Synonym discussion

Sense: noun/1

These four words overlap with 'format' in the general sense of how something is organized, but each has a different emphasis. 'Layout' focuses on the physical or visual positioning of elements — where things sit on a page or in a space. 'Structure' is about how parts connect and relate to one another beneath the surface. 'Arrangement' simply describes the order in which items are placed, without implying an overall design. 'Pattern' adds the idea of repetition or predictability. 'Format' is the broadest: it can include visual layout, structural logic, and overall presentation choices all at once. For example: 'The layout of the newspaper puts the sports section on the back' (physical placement); 'The structure of the report has three main chapters' (internal relations); 'The seating arrangement placed guests by age' (ordering); 'The pattern of the carpet repeats every thirty centimetres' (repetition); 'The programme follows a talk-show format with audience questions' (overall design that includes all of the above).

Common collocations

Phrases

  • in ... format
  • convert to ... format
  • format as

Prepositions

Etymology

LatinFrenchEnglish

The word 'format' came into English in the early 1800s from French 'format', which came from Latin 'formatus', meaning 'shaped' or 'formed'. It was first used in English to describe the size and shape of printed books. The computer-related meaning — referring to how data is organized on a machine — emerged in the 1960s as digital storage became common. Over time, the word has also come to describe the overall structure of events, shows, and other non-physical arrangements.