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Synonyms

open door

American  

noun

  1. the policy of admitting people of all nationalities or ethnic groups to a country upon equal terms, as for immigration.

  2. the policy or practice of trading with all nations on an equal basis.

  3. admission or access; unrestricted opportunity.

    His experience had given him an open door to success in his field.


open door British  

noun

  1. a policy or practice by which a nation grants opportunities for trade to all other nations equally

  2. free and unrestricted admission

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. open to all; accessible

  2. (in industrial relations) designating a policy of management being prepared to talk to workers in the office at any time

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • open-door adjective

Etymology

Origin of open door

First recorded in 1520–30

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The revolution turns out to be pushing on an open door.

From The Wall Street Journal • Dec. 12, 2025

A police officer was patrolling her yard, responding to a neighbor’s call about an open door at her home.

From Slate • Oct. 23, 2025

Ruiz and Caballero Magaña remind their students of their open door policy — anyone is welcome to come and talk.

From Los Angeles Times • Oct. 5, 2025

"I'm not going to say it was easy. Roz, who put the cast together, did an amazing job - but we were pushing on a bit of an open door with most of them."

From BBC • Aug. 21, 2025

My aunt stared back at me through the inch or so of open door, inspecting me like I was a sack of mealy flour.

From "The Detective's Assistant" by Kate Hannigan