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"; "the unadulterated truth"
arrant,
complete,
consummate,
double-dyed,
everlasting,
gross,
perfect,
pure,
sodding,
staring,
stark,
thoroughgoing,
unadulterated,
utter