Tough as old boots and Tough

Tough and tough as old boots are semantically related In some cases you can replace term "Tough" with "Tough as old boots", this terms are similar.

Tough adjective - Not easily chewed.

Tough as old boots and tough are semantically related in hard topic. Sometimes you can use "Tough as old boots" instead an adjective "Tough". informal substitute

Nearby Words: toughness, toughen, toughening, tougher, toughed