steady as a rock

Firm, dependable, as in Betty always knows her part; she's steady as a rock. This simile uses rock in the sense of “something that affords a sure support,” a usage dating from the early 1500s.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"What a lot of people who don't play darts don't understand is how difficult it is to play. You've got all this adrenaline, all the emotions whirling round inside you and you have to stay as steady as a rock to throw that dart properly at the target."