rock-solid Meaning, definition in Cambridge English Dictionary
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Meaning of "rock-solid" - English Dictionary

rock-solidadjective

uk   /ˌrɒkˈsɒlɪd/  us   /ˌrɑːkˈsɑːlɪd/
not likely to move or break: I've fixed the table - it's rock-solid now.
(Definition of rock-solid from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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