IPA: /kəmˈpʌŋkʃən/
KK: /kəmˈpʌŋkʃən/
A feeling of guilt or regret that arises when someone thinks about doing something wrong or has done something wrong.
She felt a deep sense of compunction after lying to her friend.
Compunction is formed from "com-" (meaning together) and "punctio" (from "punctus", meaning to prick or pierce). The word describes a feeling that pricks or pierces the conscience, indicating guilt or regret for wrongdoing.
Think of a feeling that 'pricks' your conscience when you do something wrong — 'com-' means together, and 'punctio' relates to the act of pricking.