B2nounworkhome
US/ɪkˈsten.ʃən/
UK/ɪkˈsten.ʃən/
extra time allowed for something; also a new part added to a building, or a phone line number
In context
I asked my professor for an extension on my essay because I was ill.
They built an extension at the back of the house for the grandparents.
Call the main number and ask for extension 204.
Words that go with extension
verb + noun
- ask for an extensionYou can ask for an extension if you are sick.
- build an extensionWe want to build an extension for a home office.
noun + noun
- visa extensionI applied for a visa extension.
- extension cordWe need an extension cord for the TV.
- extension numberWhat is your extension number?