rock-hard

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.

Like the mussels, it requires “crystal-clear, rock-hard, ice-cold water,” said Robert T. Dillon, a former biology professor who runs the Freshwater Gastropods of North America Project, which inventories snail species.

From Slate • Apr. 27, 2026

But the rock-hard suspensions of the ground-effect cars were not popular at all, and the chassis side of the new rules, most would agree, has been a step in the right direction.

From BBC • Mar. 8, 2026

Over time, this so-called multiyear ice accumulates to several yards’ thickness, loses much of its salt content and becomes rock-hard.

From The Wall Street Journal • Nov. 30, 2025

Often the only thing that helps is to use vinegar or a special descaler to dissolve the rock-hard deposits and restore the appliance's functionality.

From Science Daily • Feb. 9, 2024

I asked, pulling one of Mrs. Wigginbottom’s rock-hard biscuits from under my bonnet.

From "The Detective's Assistant" by Kate Hannigan