Separate from all heterogeneous or extraneous matter; free from mixture or combination; clean; mere; simple; unmixed; as, pure water; pure clay; pure air; pure compassion.
- Having a homogeneous or uniform composition; not mixed: pure oxygen.
- Free from adulterants or impurities: pure chocolate.
- Free of dirt, defilement, or pollution: "A memory without blot or contamination must be . . . an inexhaustible source of pure refreshment” ( Charlotte Brontë).
- Free of foreign elements.
- Containing nothing inappropriate or extraneous: a pure literary style.
- Complete; utter: pure folly.
- Having no faults; sinless: "I felt pure and sweet as a new baby” ( Sylvia Plath).
- Chaste; virgin.
- Of unmixed blood or ancestry.
- Genetics Produced by self-fertilization or continual inbreeding; homozygous: a pure line.
- Music Free from discordant qualities: pure tones.
- Linguistics Articulated with a single unchanging speech sound; monophthongal: a pure vowel.
- Theoretical: pure science.
- Philosophy Free of empirical elements: pure reason.