Question: what is pure substance synonym?
Answer: pure. 1 authentic, clear, flawless, genuine, natural, neat, perfect, real, simple, straight, true, unalloyed, unmixed. 2 clean, disinfected, germ-free, immaculate, pasteurized, sanitary, spotless, squeaky-clean, sterile, sterilized, unadulterated, unblemished, uncontaminated, unpolluted, untainted, wholesome.