Definition of "unblown"

unblown

adjective
not comparable
1. Not having been blown (in various senses).
  Quotations
  Fortunately, for this, his first book, Letcher’s mind has remained unblown.
  2007 June 3, Dick Teresi, “Do You Believe in Magic?”, in New York Times‎
2. Still in the bud; not yet having bloomed.
3. (of automobile engines) Not turbocharged or supercharged.