emphasis Arrant is used to emphasize that something or someone is very bad in some way. That's arrant nonsense. an arrant coward. = unmitigated. used to emphasize how bad something is (errant)
without qualification; used informally as (often pejorative) intensifiers; "an arrant fool"; "a complete coward"; "a consummate fool"; "a double-dyed villain"; "gross negligence"; "a perfect idiot"; "pure folly"; "what a sodding mess"; "stark staring mad"; "a thoroughgoing villain"; "utter nonsense"