Definitions:
free from dirt, marks, or stains

morally uncontaminated; pure; innocent

free from irregularities; having a smooth edge or surface

(of a taste, sound, or smell) giving a clear and distinctive impression to the senses; sharp and fresh

so as to be free from dirt, marks, or unwanted matter

used to emphasize the completeness of a reported action, condition, or experience

make clean; remove dirt, marks, or stains from

an act of cleaning something