He encourages a strong will to live, comparing it to animals' instincts to fight viciously for their lives.

The dogs, as if sensing something unusual in the air, fought viciously over the food.

They fight viciously and tell lies to get each other into trouble.

The murderer fought viciously; he gave ground toward the inner end of the hall, but even that was done with purpose.

After 1 came home from her party, Simon and 1 fought viciously for another month.

They fought viciously among each other in electing a new commissioner.

Neighbors said the two fought viciously before they were confronted by the police last night.

The fellow was fighting viciously, showing power despite his frailty.

The horderats fought viciously, knowing they were fighting for their lives.

During the match, tempers flew as they fought each other viciously.