bed·​rock | \ ˈbed-ˈräk How to pronounce bedrock (audio) , -ˌräk\

Definition of bedrock

 (Entry 1 of 2)

1 : the solid rock underlying unconsolidated surface materials (such as soil)
2a : lowest point
b : basis


bed·​rock | \ ˈbed-ˌräk How to pronounce bedrock (audio) \

Definition of bedrock (Entry 2 of 2)

: solidly fundamental, basic, or reliable traditional bedrock values a bedrock constituency

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Examples of bedrock in a Sentence


They dug down for 10 feet before they hit bedrock. His religious beliefs are the bedrock on which his life is based.

Recent Examples on the Web: Noun

Backhoes peel away the sandy beds of scores of rivers, exposing bare channels of bedrock, silt, and clay. Paul Salopek, National Geographic, "Inside the deadly world of India’s sand mining mafia," 26 June 2019 One of the bedrocks on which the program is built is making a traditionally exclusive club sport affordable to athletes who would normally never be exposed to volleyball. Scott Akanewich, San Diego Union-Tribune, "Starlings volleyball a boost for off-court success," 19 June 2019 Since 2011, an acoustic guitar and a hollow piece of luggage outfitted with a kick-pedal pilfered from a drum kit have served as the bedrock of the Austin native’s sound. Hilary Hughes, Billboard, "Shakey Graves on Hanging Up His Cowboy Hat With New Album 'Can't Wake Up'," 3 May 2018 Started in 1965, the program today is part of the financial bedrock of rural hospitals like Genesis. Shefali Luthra, Washington Post, "Medicaid Is Rural America’s Financial Midwife," 12 Mar. 2018 Once assembled, the machine, on a good day, and its spinning cutter head can bore through 300 feet of bedrock. James Bruggers, The Courier-Journal, "This massive machine will dig a new tunnel under Louisville. Watch how it will work," 29 Jan. 2018 Bergeron, who turns 34 on July 24, remains a bedrock of the Bruins. Matt Porter,, "Patrice Bergeron is up for his record fifth Selke Trophy," 18 June 2019 Seems that a power running game is a bedrock of Gruden’s philosophy. Matt Schneidman, The Mercury News, "Raiders mailbag: Talking Carr, Gruden’s biceps, Abram and more," 18 June 2019 The impact this will have on the bedrock principles of democratic U.S. governance is much more insidious. Adam Weinstein, The New Republic, "Who Is Actually Running the U.S. Military’s Iran Efforts?," 18 June 2019

Recent Examples on the Web: Adjective

In fact, Profs. Fama and French found that the same goes for an even more bedrock belief of stock-market investors: the notion that equities will outperform riskless T-bills for those who hold them long enough. Mark Hulbert, WSJ, "Your Fund Performance Is Even More About Luck Than You Thought," 4 Nov. 2018 The President has broad pardon power in the Constitution, but the Justice Department’s Office of Legal Counsel determined in 1974 that a self-pardon would run afoul of bedrock legal principle. Tessa Berenson, Time, "Donald Trump’s Campaign to Discredit the Russia Investigation May Be Working. It’s Also Damaging American Democracy," 7 June 2018 The Beneficial renovation is both a shrine to one of democracy’s bedrock values, trial by jury — and to Kline’s career. Inga Saffron,, "How a Philadelphia lawyer turned a historic bank into a shrine to democracy (and his legal career)," 3 June 2018 One of President Trump’s most bedrock character traits is his refusal to truly reckon with any piece of information that reflects poorly on him. Benjamin Hart, Daily Intelligencer, "Trump’s Reality Distortion Field Could be a Huge Asset for Democrats This Fall," 28 Apr. 2018 Ryan is willfully enabling Devin Nunes' and President Trump's blatant attempts to obstruct justice and undermine two bedrock foundations of American democracy -the FBI and Department of Justice. Jeff Darcy,, "Nunes Memo is a not-so-super bowl of partisan botulism: Darcy cartoon," 4 Feb. 2018 On the most bedrock level, Ammons was a nature poet. Dwight Garner, New York Times, "Adding Up a Prolific Poet’s Charming Weather Reports," 11 Dec. 2017 The case sparked ferocious debate over his actions and the controversial prisoner exchange that led to his release in 2014, challenging the military's bedrock principle of never leaving a soldier behind. Alex Horton, Alaska Dispatch News, "Army Sgt. Bowe Bergdahl avoids prison time for desertion during deployment in Afghanistan," 3 Nov. 2017 Bergdahl's case sparked ferocious debate over his actions and the controversial prisoner exchange that led to his release in 2014, challenging the military's bedrock principle of never leaving a soldier behind. The Washington Post,, "Bowe Bergdahl, former hostage who pleaded guilty to desertion, avoids prison," 3 Nov. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bedrock.' 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 bedrock


1839, in the meaning defined at sense 1


1873, in the meaning defined above

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Dictionary Entries near bedrock


bed rest



bedrock valley



Statistics for bedrock

Last Updated

8 Jul 2019

Look-up Popularity

Time Traveler for bedrock

The first known use of bedrock was in 1839

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More Definitions for bedrock



English Language Learners Definition of bedrock

: the solid rock that lies under the surface of the ground
: a strong idea, principle, or fact that supports something


bed·​rock | \ ˈbed-ˌräk How to pronounce bedrock (audio) \

Kids Definition of bedrock

: the solid rock found under surface materials (as soil)

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