door

noun

ˈdȯr 

often attributive

1

: a usually swinging or sliding barrier by which an entry is closed and opened

also : a similar part of a piece of furniture

2

: doorway

3

: a means of access or participation : opportunity

opens new doors

door to success

4

doors plural : the designated time at which the doors at a performance venue (such as a theater) are opened to admit attendees

Doors are at 8, and music starts with Garrett Owen's set at 9pm.

—Steve Steward

doorless

ˈdȯr-ləs 

adjective

see also:

at death's door at one's door close one's doors close the door foot in the door show one the door

Synonyms of door

• gate
• hatch

Examples of door in a Sentence

I heard a knock on the door.

Please don't block the door.

I peeked through the open door.

He stood at the door.

Recent Examples on the Web

Eco effort Already the resort is single-use plastic free, and sliding glass doors are equipped with sensors that click off the AC when open. — Condé Nast, Condé Nast Traveler, 1 Oct. 2026

And as these doors open to the general public, the scientific community has a responsibility to develop clear standards for what makes up a medically reliable genome in the first place. — Euan Ashley, STAT, 1 Oct. 2026

The former vice president, lips largely sealed, has done and said just enough to keep the door open to a 2028 run, without firmly committing to the contest. — Los Angeles Times, 30 Sep. 2026

The retailer opened its first store there in 2000 in Bluewater shopping center in Kent, expanding to nine doors overall. — Kathryn Hopkins, Footwear News, 30 Sep. 2026

Word History

Etymology

Middle English dure, dor, from Old English duru door & dor gate; akin to Old High German turi door, Latin fores, Greek thyra

First Known Use

before the 12th century, in the meaning defined at sense 1

Phrases Containing door

• answer the door
• at death's door
• at one's door
• at the door
• beat a path to your door
• closed-door
• close the door
• close the door on
• darken someone's door/doors
• door knocker
• door prize
• door-to-door
• double door
• Dutch door
• exterior/outside door
• foot in the door
• French door
• garage door
• get one's foot in the door
• get the door
• girl next door
• inside the door
• interior door
• keep the wolf from the door
• knock on the door of
• lay the blame for (something) at someone's door
• leave the door open for
• next-door
• next-door neighbor
• next door to
• open door
• open the door
• out-of-door
• outside the door
• patio door
• revolving-door
• show one the door
• show/see (someone) to the door
• sliding door
• stage door
• storm door
• swing door
• swinging door
• the boy/girl next door
• through the back door
• trap-door spider
• walk out the door

Rhymes for door

• boar
• boer
• bore
• chore
• cor
• core
• corps
• crore
• drawer
• floor
• flor
• for

Kids Definition

door

noun

ˈdō(ə)r 

ˈdȯ(ə)r

1

: a barrier by which an entry is closed and opened

also : a similar part of a piece of furniture

2

: doorway