cleanest

1. a free from dirt or impurities; or having clean habits s free of restrictions or qualifications s (of sound or color) free from anything that dulls or dims s free from impurities s (of a record) having no marks of discredit or offense a ritually clean or pure a not spreading pollution or contamination; especially radioactive contamination a (of behavior or especially language) free from objectionable elements; fit for all observers s free from sepsis or infection s morally pure s (of a manuscript) having few alterations or corrections s (of a surface) not written or printed on s exhibiting or calling for sportsmanship or fair play s without difficulties or problems s thorough and without qualification s not carrying concealed weapons s free from clumsiness; precisely or deftly executed s free of drugs Source: ecdict

Thesaurus links