giddy vs serious

giddy

adj
  • Joyfully elated; overcome with excitement or happiness. 

  • Causing or likely to cause dizziness or a feeling of unsteadiness. 

  • Unable to concentrate or think seriously; easily excited; impulsive; also, lightheartedly silly; frivolous. 

  • Feeling great anger; furious, raging. 

  • Of an animal, chiefly a sheep: affected by gid (“a disease caused by parasitic infestation of the brain by tapeworm larvae”), which may result in the animal turning around aimlessly. 

  • Feeling a sense of spinning in the head, causing a perception of unsteadiness and being about to fall down; dizzy. 

  • Moving around something or spinning rapidly. 

verb
  • To make (someone or something) dizzy or unsteady; to dizzy. 

  • To become dizzy or unsteady. 

serious

adj
  • Without humor or expression of happiness; grave in manner or disposition 

  • Committed. 

  • Really intending what is said (or planned, etc); in earnest; not jocular or deceiving 

  • Important; weighty; not insignificant 

adv
  • In a serious manner; seriously. 

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