flagrant fla-grant / flā-grənt adjective 1. obviously bad, shocking, egregious The flagrant disregard in the courtroom of elementary standards of proper conduct should not and cannot be tolerated. Hugo Black, 1886 – 1971 2. (obsolete) blazing or burning Lust of power is the most flagrant of all the passions. Tacitus, 56 – 117 etymology From flagrans, flagrantis, the present active participle of the Latin verb flagro, flagrare, flagravi, flagratum (burn, blaze, glow). Thank you to Allen Ward for providing this etymology.