#1 flagitious s. [heinous] extremely wicked, deeply criminal; "a flagitious crime"; "heinous accusations". wn
#2 flagitious s. [atrocious, grievous, monstrous] shockingly brutal or cruel; "murder is an atrocious crime"; "a grievous offense against morality"; "a grievous crime"; "no excess was too monstrous for them to commit". wn
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