Dictionary

A light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel.

Strong and resilient; sturdy.

Example: The tent, made of tough canvas, held up to many abuses.

(of food) Difficult to cut or chew.

Example: To soften a tough cut of meat, the recipe suggested simmering it for hours.

Rugged or physically hardy.

Example: Only a tough species will survive in the desert.

Stubborn.

Example: He had a reputation as a tough negotiator.