Definitions
1.adjectiveFree of flaws or imperfections; unsullied.
2.adjectiveFree of foreign material or pollutants.
3.adjectiveFree of immoral behavior or qualities; clean.
4.adjectiveMere; that and that only."That idea is pure madness!"
5.adjective(of a branch of science) Done for its own sake instead of serving another branch of science.
6.adjectiveOf a single, simple sound or tone; said of some vowels and the unaspirated consonants.
7.adjective(of sound) Without harmonics or overtones; not harsh or discordant.