Meanings of singular pathos in English

There was in it, too, a singular pathos that appealed to his inmost heart.

But the fate of a little boy who wandered from home in Williams County was of a singular pathos.

It gave gentleness to the mouth, and, by making more manifest the intelligent light of her eyes, emphasised the singular pathos inseparable from their regard.

'Songs in the night' have a singular pathos and thrill the listeners.