monotone vs stupid

monotone

adj
  • Being, or having the salient properties of, a monotone function. 

  • Having a single unvaried pitch. 

noun
  • A piece of writing in one strain throughout. 

  • A single unvaried tone of speech or a sound. 

verb
  • To speak in a monotone. 

stupid

adj
  • Lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence. 

  • Dulled in feeling or sensation; torpid. 

  • Amazing. 

  • Replaces an obscene or profane word. 

  • To the point of stupor. 

noun
  • A stupid person; a fool. 

  • The condition or state of being stupid; stupidity, stupidness. 

adv
  • Extremely. 

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