unbreachable

adjective
un·breach·able | \ˌən-ˈbrē-chə-bəl \

Definition of unbreachable 

: not able to be entered, penetrated, or crossed : impossible to breach a seemingly unbreachable divide unbreachable computer networks The four-minute mile and the 10-second 100-meter dash were once deemed unbreachable barriers.— Carlos Lozada

Examples of unbreachable in a Sentence

Recent Examples on the Web

My separation from Eddie is permanent and unbreachable. Alissa Torres, New York Times, "Love Forged by the Threat of Deportation," 27 Apr. 2018 At its heart, for all its talk of sailing ships and barren crags, the distance Cliff explores best is the at times unbreachable one that divides people. Charlotte Graham, New York Times, "A New Zealand Novel Full of Taciturn Men and Wooden Dolls," 26 Jan. 2018 Each time, the distance grows further unbreachable. Terry Hong, The Christian Science Monitor, "'Refuge' is the story of an Iranian family in search of home," 26 July 2017 Neither is a place where a fugitive can find ironclad protection from arrest — say, an embassy or, historically, a church, whose physical sanctuary was an unbreachable haven in Medieval times and became the basis for the general term. Mercury News Editorial Board, The Mercury News, "Editorial: What is a sanctuary city in the Trump era?," 25 Jan. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unbreachable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unbreachable

1866, in the meaning defined above

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The first known use of unbreachable was in 1866

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