IPA: /ˈsɔːrɪnəs/
KK: /ˈsɔrɪnɪs/
The condition of feeling regret or sadness about something that has happened.
Her sorriness was evident when she apologized for her mistake.
Sorriness → It is formed from "sorry" (from Old English *sorh*, meaning sorrow or grief) and the suffix "-ness" (meaning the state or quality of). The word "sorriness" refers to the state of being sorry or feeling sorrowful.
Think of the word 'sorrow' which relates to feeling sad or regretful, and remember that 'sorriness' means the state of feeling sorry.