Definition of cleanly adverb from the Oxford Advanced Learner's Dictionary

     

    cleanly

     adverb
    adverb
    BrE BrE//ˈkliːnli//
     
    ; NAmE NAmE//ˈkliːnli//
     
     
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  1. 1easily and smoothly in one movement The boat moved cleanly through the water.
  2. 2in a clean way fuel that burns cleanly
  3. Word Origin Old English clǣnlīce (adverb), clǣnlīc (adjective): see clean and -ly.
See the Oxford Advanced American Dictionary entry: cleanly