Sentence examples similar to acrimonious steadfastness from inspiring English sources

"They're steadfastness.

Sufferness and steadfastness.

Their parting was acrimonious.

Its linguistic companion is steadfastness.

The relationship turned acrimonious.

Expect another acrimonious battle there.

But an essential factor remains their steadfastness.

The split was acrimonious.

Did it become acrimonious?

I wrote with the steadfastness of grief.

It's a certain steadfastness under fire.