unruth en · NOUN
Etymology
From un- + ruth (“pity, compassion, mercy”).
Meanings
-
(archaic, poetic, uncountable) A lack of ruth; mercilessness, pitilessness.
Whereat in a moment of cross unruth / He thought, "All right if you want the truth!"
1942, Robert Frost, “The Discovery Of The Madeiras”, in A Witness Tree: