cool-headed vs emotional

cool-headed

adj
  • Calm and imperturbable, especially under pressure. 

emotional

adj
  • Determined by emotion rather than reason. 

  • Of or relating to the emotions. 

  • Easily affected by emotion. 

  • Readily displaying emotion. 

  • Appealing to or arousing emotion. 

  • Characterised by emotion. 

noun
  • An emotional person 

How often have the words cool-headed and emotional occurred in a corpus of books? (source: Google Ngram Viewer )