PECCANT Meaning of PECCANT in English [pec.cant] adj [L peccant-, peccans, prp. of peccare to stumble, sin] (ca. 1604) 1: guilty of a moral offense: sinning 2: violating a principle or rule: faulty -- pec.cant.ly adv Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012