rock-sol·​id ˈräk-ˈsä-ləd How to pronounce rock-solid (audio)
variants or rock solid
: completely or perfectly solid (as because of great strength or dependability)
supported by a rock-solid foundation
She has a rock-solid reputation.
Their relationship was rock solid.
… she moved in an artificial world without ever losing her rock-solid integrity.Walter Clemons
He is right to imply that the political structure is a little shaky—it was a myth that it was ever rock solid.Xan Smiley

Examples of rock-solid in a Sentence

Recent Examples on the Web Verdict: An Excellent Private Messaging App With a Caveat WhatsApp is a rock-solid messaging app that uses end-to-end encryption by default for all personal chat messages and Group Chats, though business conversations don't get that kind of protection. PCMAG, 15 May 2024 My infinitely warm and invaluable relationships with family and friends stand on rock-solid religious convictions. Armstrong Williams, Baltimore Sun, 31 Mar. 2024 Though endless repetition, Trump has created, even among reasonable people, a rock-solid belief that immigration is a crisis, and that dangerous people are crossing unchecked. Anita Chabria, Los Angeles Times, 2 May 2024 Likewise, a breakup song suffused with sadness can resonate with a listener in a rock-solid relationship who is coping with another kind of loss. Karen Kaplan, Los Angeles Times, 19 Apr. 2024 Learning the biology behind this age-old, rock-solid advice can encourage us to take other actions that will help promote a long and healthy life. Jessica Dulong, CNN, 9 Apr. 2024 The split-screen highlights the polarizing American views of Netanyahu and Israel’s conduct in Gaza, which has led to cracks in what was once rock-solid bipartisan support for Israel’s government. NBC News, 21 Mar. 2024 Half full: Tatis, Manny Machado and Bogaerts give the Padres three rock-solid offensive pieces. Bryce Miller, San Diego Union-Tribune, 13 Mar. 2024 Putt-Putt Problems is Lil Snack’s newest pop culture trivia game that requires a combination of digital golf skills and rock-solid trivia knowledge. Spin Contributor, SPIN, 7 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'rock-solid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1871, in the meaning defined above

Time Traveler
The first known use of rock-solid was in 1871

Dictionary Entries Near rock-solid

Cite this Entry

“Rock-solid.” Dictionary, Merriam-Webster, Accessed 21 Jun. 2024.

Last Updated: - Updated example sentences
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