The competition has become fierce. ✬

A fierce battle was fought here. ✬

The competition is fierce. ✬

Tom is fierce. ✬

You're going to come up against fierce competition. ✬

Be careful. It's a fierce bull. ✬

Tom gave me a fierce look. ✬

The competition was fierce. ✬

Tom is a fierce competitor. ✬

Tom looks fierce. ✬