'Ruthful' definitions:

Definition of 'ruthful'

From: WordNet
adjective
Feeling or expressing pain or sorrow for sins or offenses [syn: contrite, remorseful, rueful, ruthful]

Definition of 'Ruthful'

From: GCIDE
  • Ruthful \Ruth"ful\, a. Full of ruth; as: (a) Pitiful; tender. (b) Full of sorrow; woeful. (c) Causing sorrow. --Shak. -- {Ruth"ful*ly}, adv. [1913 Webster]