B2noun2K

Extension

UK /["/ɪkˈstenʃn/"]/US /["/ɪkˈstenʃn/"]/

Definition

the act of increasing the area of activity, group of people, etc. that is affected by something

In simple words: An addition to something, like a part that helps it work better.

Examples

  • The deadline for the project got an extension of two weeks.
  • She requested an extension on her visa to stay longer in the country.
  • We need to build an extension to the house to create a bigger kitchen.
  • The phone charger requires an extension cord to reach the power outlet.
  • The university offers extension courses for adult learners who want to continue education.
  • Her hair looked fantastic with the addition of those long extensions.
  • The software program allows users to add browser extensions to improve functionality.

Usage notes

Commonly used in business and technology contexts. Avoid using it in very casual conversations. It's appropriate when discussing things like phone numbers or deadlines.

Grammar pattern

extension + object

Memory hint

Think of 'extending' something, like stretching a rubber band to make it longer.

Collocations

  • considerable
  • great
  • major
  • planned
  • proposed
  • home
  • add
  • build
  • extension to
  • planned
  • proposed
  • home
  • add
  • build
  • extension to
  • one-week
  • two-year
  • etc.
  • apply for
  • ask for
  • request
  • planned
  • proposed
  • home
  • add
  • build
  • extension to
  • considerable
  • great
  • major
  • planned
  • proposed
  • home
  • add
  • build
  • extension to

Synonyms

  • addition
  • expansion
  • inclusion
  • supplement

Antonyms

  • restriction
  • limitation

Common mistakes

  • Confused with 'extent' — make sure to use the right context.
  • Using 'extension' when 'addition' is more appropriate.
  • Mispronouncing it as 'extention' instead of 'extension'.