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inner space

British  

noun

  1. the environment beneath the surface of the sea

  2. the human mind regarded as being as unknown or as unfathomable as space

"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

Example Sentences

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He’s a maverick Las Vegas real estate and aerospace mogul with billionaire allure and the resources to fund his restless curiosity embracing outer and inner space, U.F.O.s and the spirit realm.

From New York Times Jan. 21, 2021

Borders “define an inner space in which one finds comfort and safety and for some, a sense of belonging.”

From Washington Post May 7, 2020

During this sojourn into inner space, Queen Kane handily reveals her true reason for hunting a heretic roaming her lands.

From Salon Nov. 5, 2019

He added, “I love the inner space of Todd’s work with actors and characters. I always feel he’s interested equally, if not more, in what’s happening below the lines.”

From The New Yorker Nov. 4, 2019

He liked the loneliness of inner space, the sense of being forgotten by the world.

From "The Hot Zone" by Richard Preston

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