There is also the image of cancer as a relentless enemy that will advance unless it is conquered.

But such places offered no reliable, long-term shelter against relentless enemies.

She lay back in her chair, passive and still, seeing the figure of her relentless enemy ever present before her aching eyes.

And all the while he followed that relentless enemy through the avenues of the park and down the lonely lane.

The fat, smug ego is the relentless enemy of God and of the happy life.

To dream of a pickaxe, denotes a relentless enemy is working to overthrow you socially.

No race had been persecuted as they had, fought a more relentless enemy, or won so many battles.

Knowing the man, Hopalong Cassidy knew what a ruthless and relentless enemy he would be.

He was of the opinion that "Wealth is the relentless enemy of understanding".

As time passes, even the powerful Jaegers prove almost defenseless in the face of a relentless enemy.