As tough as old boots and Hard

Hard and as tough as old boots are semantically related. In some cases you can use "Hard" instead an adjective phrase "As tough as old boots".

Hard adjective - Having or showing a lack of sympathy or tender feelings.

As tough as old boots and hard are semantically related. You can use "As tough as old boots" instead an adjective "Hard".

Nearby Words: harden, hardship, hardy, hardly, hardness