Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “door”


noun [C]
THING YOU OPEN A1 the part of a building, room, vehicle, or piece of furniture that you open or close to get inside it or out of it: Please shut the door behind you. I can't open the door. There's someone at the door.Doors and parts of doors
SPACE the space in a wall where you enter a building or room: He led us through the door to the rear of the building.Doors and parts of doors
behind closed doors privately and not in public: Most of the deals were done behind closed doors.Secrecy and privacy
two/three, etc doors away in a place that is two/three, etc houses away: We live just a few doors away from the Smiths. → See also trap doorThe postal system
(Definition of door from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “door” in other dictionaries

Word of the Day


(a person or thing) coming before all others in order, time, amount, quality, or importance

Word of the Day

Countability – grammar codes

by Dom Glennon​​,
November 26, 2014
Advices and informations Have you ever noticed strange codes in square brackets on entries in Cambridge Dictionaries Online and wondered what they mean? These are grammar codes, giving you a brief summary of how that word behaves grammatically. More information can be obtained by hovering your cursor over the code, and there’s

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More