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1. Transgressing a moral or divine law
   "if it be a sin to covet honour, I am the most sinning soul alive"

1. An act that is regarded by theologians as a transgression of God's will
   - sin

1. Commit a sin; violate a law of God or a moral law
   - transgress, trespass
    
2. Commit a faux pas or a fault or make a serious mistake
   "I sinned during the job interview";
   - drop the ball, blunder, boob [informal], goof [informal]

See also: offending

Type of: breach, break, evildoing, go against, infract, offend, transgress, transgression, violate

Encyclopedia: Sinning