The term 'COMMITTED A DEADLY SIN' can be broken down into two crossword solutions: ENVIED (6 letters) and COMMITTED (8 letters). Envy is one of the seven deadly sins, which are a set of vices that were first identified by early Christian theologians. It is defined as a feeling of discontent or resentment aroused by the desire for possessions or qualities that another person has. Committing this sin means to act on this feeling, usually in a malicious way.