Question 1

What does "wolf in sheep's clothing" mean?

Accepted Answer

A person who appears harmless or friendly but is in fact dangerous or dishonest.

Question 2

How do you use "wolf in sheep's clothing" in a sentence?

Accepted Answer

The friendly investor turned out to be a wolf in sheep's clothing.

Question 3

Is "wolf in sheep's clothing" formal or informal?

Accepted Answer

"wolf in sheep's clothing" is register-neutral — appropriate in both casual and formal contexts. A biblical metaphor; used to warn about deceptive individuals who conceal their true harmful nature.