• 愧赧きたん

  blushing with embarrassment

• 愧死きし

  dying of shame, being so ashamed one wants to die

• 慙愧ざんき

  (feeling of) shame

• 無愧むぎ

  shameless

• 慚愧にたえないざんきにたえない

  deeply ashamed (of oneself), overwhelmed with shame