Last Updated：2025/11/20

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As tough, hard, or inflexible as a piece of rock. / (bodybuilding) With muscles developed and toned to a high degree, especially the muscles of the abdomen.

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rock hard

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Source Word

rock hard

Adjective

not-comparable figuratively

Japanese Meaning

「岩のように硬い」：非常に硬く、折れたり曲がったりしない状態。 / （ボディビル）筋肉が非常に発達し、特に腹筋などが引き締まって見える状態。

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After the freeze, the ground became rock hard and digging the garden was impossible.

Google Translation / DeepL Translation

凍結後、地面は岩のように硬くなり、庭を掘ることができなかった。

Details

Sense（1）

As tough, hard, or inflexible as a piece of rock.

One of humankind's oldest maladies, kidney stones are rock-hard

Google Translation / DeepL Translation

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Sense（2）

(bodybuilding) With muscles developed and toned to a high degree, especially the muscles of the abdomen.

He was pale but rock-hard from exercise, and still had a grunt's haircut.

Google Translation / DeepL Translation

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Sense（3）

(figuratively) Having a very fully erect and stiff penis

Tommy Lee first shivered when he felt the tongue in his ear, but his whole body shuddered when he felt the deputy's rock hard cock press along the length of his ass crack.

Google Translation / DeepL Translation