extension

noun
UK: /ɪkˈstenʃən/
US: /ɪkˈstenʃən/

  1. The act of making something longer or larger.

    1. We need an extension for the table to fit more people.
    2. The building permit is for an extension to the existing kitchen area.

  2. An additional period of time allowed for something.

    1. I asked for an extension on the deadline.
    2. The teacher granted a one-week extension for completing the assignment.

  3. A new part added to a building.

    1. They are planning an extension to their house.
    2. The library is building an extension to create a new reading room.

  4. A phone number in a large organization that you can dial directly.

    1. Please dial extension 234 to speak to Mr. Smith.
    2. I've been trying to reach her, but no one answers the extension.

  5. A feature that can be added to a computer program to give it extra capabilities.

    1. I downloaded a browser extension to block ads.
    2. This extension allows you to save web pages as PDF files easily.

Synonyms

expansion enlargement increase adjunct addition

Frequently Asked Questions

The word "extension" in English means: The act of making something longer or larger., An additional period of time allowed for something., A new part added to a building., A phone number in a large organization that you can dial directly., A feature that can be added to a computer program to give it extra capabilities..

The phonetic transcription of "extension" is /ɪkˈstenʃən/ in British English and /ɪkˈstenʃən/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "extension": expansion, enlargement, increase, adjunct, addition.

Example usage of "extension": "We need an extension for the table to fit more people.". More examples on the page.