pure -- (free of extraneous elements of any kind; "pure air and water"; "pure gold"; "pure primary colors"; "the violin's pure and lovely song"; "pure tones"; "pure oxygen")
arrant, complete, consummate, double-dyed, everlasting, gross, perfect, pure, sodding, stark, staring, thoroughgoing, utter, unadulterated -- (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")
saturated, pure -- ((of color) being chromatically pure; not diluted with white or grey or black)
pure -- (free from discordant qualities)
pure -- (concerned with theory and data rather than practice; opposed to applied; "pure science")
pure -- ((used of persons or behaviors) having no faults; sinless; "I felt pure and sweet as a new baby"- Sylvia Plath; "pure as the driven snow")
pure, vestal, virgin, virginal, virtuous -- (in a state of sexual virginity; "pure and vestal modesty"; "a spinster or virgin lady"; "men have decreed that their women must be pure and virginal")