無愧

Verb

 * 1) to feel no qualms; to have a clear conscience

Usage notes

 * Not be confused with the adverb.

Etymology
From.

First cited to roughly 797.

In specifically Buddhist contexts, may be encountered with the reading muki instead of the now-usual mugi.

Adjective

 * 1) shameless, even while committing evil acts

Noun

 * 1) shamelessness, even while committing evil acts