Synonyms for Unadulterated (same or very similar meaning)
WordNet sense 1 (free of extraneous elements of any kind):
pureWordNet sense 2 (without qualification; used informally as (often pejorative) intensifiers):
arrant, complete, consummate, everlasting, gross, perfect, stark, thoroughgoing, utter, double-dyed, sodding, staring, consummate, perfectFrom the ODE community, based on WordNetadd/edit