The word "clean" has many synonyms, each conveying a slightly different meaning. Some of the most common synonyms include "tidy," "neat," "spotless," "pure," "pristine," "impeccable," "unsoiled," "fresh," "sanitary," "sterile," and "hygienic." "Tidy" suggests a sense of order and organization, while "neat" implies that something is well-groomed or carefully arranged. "Spotless" and "pure" both connote a lack of dirt or impurities. Meanwhile, "pristine" indicates that something is completely untouched or unspoiled. "Impeccable" suggests that something is faultless or flawless, while "unsoiled" conveys the absence of any dirt or staining.