arrant (
http://definr.com/arrant)
adj : 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" [syn:
arrant(a),
complete(a),
consummate(a),
double-dyed(a),
everlasting(a),
gross(a),
perfect(a),
pure(a),
sodding(a),
stark(a),
staring(a),
thoroughgoing(a),
utter(a)]