superefficiently

• a word derived from efficiently.
  efficiently

  adverb

  in the best possible manner with the least waste of time and effort; capably or competently.

Related Words

• assiduously
• carefully
• completely
• comprehensively
• conscientiously
• earnestly
• extremely
• fully
• highly
• intensely
• intensively
• meticulously
• painstakingly
• scrupulously
• very
• wholly