Definition of rock solid in English:

rock solid

Syllabification: rock sol·id

adjective

  • Unlikely to change, fail, or collapse: her love was rock solid
    More example sentences
    • The paintings are all frontal and straightforward, rock-solid and penetrating, yet have an ethereal quality.
    • Directed with a magnificent hand, shot expertly with beautiful cinematography, this is a wonderfully moving script, with incredible acting, and a rock-solid DVD presentation.
    • Based on the rock-solid foundation of a legend from a thousands-of-years-old oral tradition, this film has no problem meeting the standard for a good Arctic movie.

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Pronunciation: ˈmālˌsträm
noun
a powerful whirlpool in the sea