ambidextrous vs backhanded

ambidextrous

adj
  • Equally usable by left-handed and right-handed people (as a tool or instrument). 

  • Of a person, bisexual. 

  • Exceptionally skillful; adept in more than one medium, genre, style, etc. 

  • Having equal ability in both hands; in particular, able to write equally well with both hands. 

backhanded

adj
  • With the back of the hand. 

  • inclining to the left 

  • Indirect. 

  • Backwards, turned around. 

  • Retrospective, occurring after the fact rather than in advance. 

  • Self-serving, corrupt, slipshod, or neglectful. 

  • Insincere, sarcastic, ironic, or self-contradictory. 

  • Involving a backward flip of the hand. 

adv
  • In a backhanded manner. 

How often have the words ambidextrous and backhanded occurred in a corpus of books? (source: Google Ngram Viewer )