compunction

compunction is a   Noun

Definition:

[1] A pricking; stimulation. [Obs.] That acid piecering spirit which, with such activity and compunction, invadeth the brains and nostrils. Sir T. Browne.

[2] A picking of heart; poignant grief proceeding from a sense of guilt or consciousness of causing pain; the sting of conscience. He acknowledged his disloyalty to the king, with expressions of great compunction. Clarendon.

Synonyms: