to feel ashamed or humiliated; embarrassed and ill at ease

(idiom) to act in a just and honorable way without feeling any shame; upright and aboveboard; to feel neither ashamed before heaven nor embarrassed before others

to have a clear conscience; to feel no shame before heaven or fellow man

to feel no shame when looking down at others; to have a clear conscience in one's dealings with people

(literary) to feel ashamed; to be full of remorse