adj utter; out-and-out
an arrant fool
(C14: a variant of errant (wandering, vagabond); sense developed from its frequent use in phrases like arrant thief (hence: notorious))
English Collins Dictionary - English Definition & Thesaurus
absolute, atrocious, blatant, complete, deep-dyed (usually derogatory) downright, egregious, extreme, flagrant, gross, infamous, monstrous, notorious, out-and-out, outright, rank, thorough, thoroughgoing, undisguised, unmitigated, utter, vile
English Collins Dictionary - English synonyms & Thesaurus
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