Stiff and Vigorous

Stiff adjective - Incapable of or highly resistant to bending.

Vigorous is a synonym for stiff in strong topic. In some cases you can use "Vigorous" instead an adjective "Stiff", when it comes to topics like extreme.

Nearby Words: stiffen, stiffness, stiffed, stiffly, stiffened

Vigorous adjective - Having active strength of body or mind.

Stiff is a synonym for vigorous. Sometimes you can use "Stiff" instead an adjective "Vigorous".

Nearby Words: vigor, vigour, vigorously