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 one's 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

Mercury enters Gemini in your 4th House of Home, bringing attention to family logistics, living space, and the emotional weather behind closed doors. —Tarot.com, Chicago Tribune, 17 May 2026

Closer Devin Williams, who spent last season in the Bronx, shut the door on the Yankees (28-18) with his sixth save of the season. —Abbey Mastracco, New York Daily News, 17 May 2026

So there is irony there, in that the door for the Heat could open with Donovan with Cavaliers failure, or the door to Giannis could slam shut with Cavaliers failure. —Ira Winderman, Sun Sentinel, 17 May 2026

The same applies to the Kayla Harrison fight Rousey teased in her viral grocery store rant earlier this spring — that one was always more storyline than serious booking, but a retirement announcement closes the door entirely. —Brian Mazique, Forbes.com, 16 May 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