pure

adjective

• not mixed or adulterated with any other substance or material:cars can run on pure alcohol the jacket was pure wool
• without any extraneous and unnecessary elements:the romantic notion of pure art devoid of social responsibility
• free of any contamination:the pure, clear waters of Montana
• wholesome and untainted by immorality, especially that of a sexual nature:our fondness for each other is pure and innocent
• (of a sound) perfectly in tune and with a clear tone.
• (of an animal or plant) of unmixed origin or descent:the pure Charolais is white or light wheat in the coat
• (of a subject of study) dealing with abstract concepts and not practical application:a theoretical discipline such as pure physicsCompare with applied.
• Phonetics (of a vowel) not joined with another to form a diphthong.
• [attributive] involving or containing nothing else but; sheer (used for emphasis):a shout of pure anger an outcome that may be a matter of pure chance