staring

adjectives

(used of eyes) open and fixed as if in fear or wonder

"staring eyes"

agaze, staring

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