stone
"Stone" is a solid, everyday English word with several interesting uses. It works as a noun, a verb, and an adjective — and it even has a special meaning as a unit of weight in British English. Here are the most common and useful senses.
As an adjective, 'stone' can describe something made from rock — like a stone wall or a stone floor. It is also used before certain adjectives to add strong emphasis, meaning 'completely' or 'totally'. For example, 'stone cold' means completely cold, and 'stone deaf' means completely deaf.
everyday language · Modern, widely used