nonpositive vs unresponsive

nonpositive

adj

  • Not positive; either zero or negative. 

  • Not positive. 

noun

  • Any value that is not positive. 

unresponsive

adj

  • Indifferent or apathetic; emotionless. 

  • Not responsive; unreactive. 

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