adjective purer pur′er, purest pur′·est

1. 1. free from any adulterant; unmixed pure maple syrup
   2. free from anything that taints, impairs, infects, etc.; clear pure water or air
2. simple; mere pure luck
3. utter; absolute; sheer pure lunacy
4. free from defects; perfect; faultless
5. free from sin or guilt; blameless
6. virgin or chaste
7. of unmixed stock; purebred
8. restricted to the abstract or theoretical aspects pure physics
9. Bible ceremonially undefiled
10. Phonet. articulated without any change in quality and with virtually no movement of the vocal organs; monophthongal (e) is a pure vowel

Etymology: ME pur < OFr < L purus, pure < IE base *peu-, *pū-, to purify, cleanse > Sans punāti, (he) cleanses, L putare, to cleanse, OHG fowen, to sift