Adjective: arrant er-unt [N. Amer], a-runt [Brit]
- Total or absolute (intensifier, usually emphasizing negative qualities)
"an arrant fool";
- complete, consummate, double-dyed, everlasting, gross, perfect, pure, sodding [Brit, informal], stark, staring, thorough, thoroughgoing, utter, unadulterated, rigorous, total
See also: unmitigated