rock-solid

adjective
rock-sol·​id | \ ˈräk-ˈsä-ləd How to pronounce rock-solid (audio) \
variants: or rock solid

Definition of 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 a 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

First Known Use of rock-solid

1871, in the meaning defined above

Keep scrolling for more

Learn More about rock-solid

Time Traveler for rock-solid

Time Traveler

The first known use of rock-solid was in 1871

See more words from the same year

Statistics for rock-solid

Cite this Entry

“Rock-solid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rock-solid. Accessed 13 Aug. 2020.

Comments on rock-solid

What made you want to look up rock-solid? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!