rock-solid

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noun rock-sol·id \ ˈräk-ˈsä-ləd \
variants: or rock solid
Updated on: 11 Sep 2017

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


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