1. blue sky law a state law regulating the sale of securities in an attempt to control the sale of securities in fraudulent enterprises
  2. blue sky the sky as viewed during daylight
  3. plausible apparently reasonable, valid, or truthful
  4. blue-sky without immediate commercial value
  5. blue skullcap an American mint that yields a resinous exudate used especially formerly as an antispasmodic
  6. Boyle's law the pressure of an ideal gas at constant temperature varies inversely with the volume
  7. playschool a small informal nursery group meeting for half-day sessions
  8. blue succory south European plant having dark-eyed flowers with flat blue rays
  9. blue angel the sodium salt of amobarbital that is used as a barbiturate
  10. brusquely in a blunt direct manner
  11. blue bugle upright rhizomatous perennial with bright blue flowers
  12. bluegill important edible sunfish of eastern and central United States
  13. blue sage sage of western North America to Central America having violet-blue flowers; widespread in cultivation
  14. blue law a statute regulating work on Sundays
  15. briskly in a brisk manner
  16. blue-collar of those who work for wages especially manual or industrial laborers
  17. balsam willow small shrubby tree of eastern North America having leaves exuding an odor of balsam when crushed
  18. Pensacola a town in extreme northwest Florida
  19. classical of the most highly developed stage of an early civilization
  20. bass clef a clef that puts the F below middle C on the fourth line of a staff