unadulterated
adj.
not mixed with impurities
unadulterated maple syrup
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 thorough nuisance|a thoroughgoing villain|utter nonsense|the unadulterated truth
Synonym: arrant, thoroughgoing, thorough, stark, staring, sodding, pure, perfect, gross, everlasting, double-dyed, consummate, complete, utter