1. superfluous more than is needed, desired, or required
  2. butterfly pea large-flowered wild twining vine of southeastern and central United States having pale blue flowers
  3. butterfly orchis Mexican epiphytic orchid having pale green or yellow-green flowers with white purple-veined lip
  4. butterfly bush tropical shrub having clusters of white or violet or yellow flowers
  5. butterfly ray a stingray with a short tail and a broad fin
  6. butterfingers someone who is prone to dropping things
  7. butterflower any of various plants of the genus Ranunculus
  8. butterfly plant orchid having large elliptic to obovate fleshy leaves and fragrant pink-and-white flowers dotted with red
  9. butter-flower any of various plants of the genus Ranunculus
  10. butterfly stroke a swimming stroke in which the arms are thrown forward together out of the water while the feet kick up and down
  11. butterfly fish small usually brilliantly colored tropical marine fishes having narrow deep bodies with large broad fins; found worldwide
  12. butterfly weed erect perennial of eastern and southern United States having showy orange flowers
  13. butterflyfish tropical fish with huge fanlike pectoral fins for underwater gliding; unrelated to searobins
  14. gutter press press that engages in sensational journalism
  15. butterfly effect the phenomenon whereby a small change at one place in a complex system can have large effects elsewhere, e.g., a butterfly flapping its wings in Rio de Janeiro might change the weather in Chicago
  16. butterfly orchid orchid of Florida and the Bahamas having showy brightly colored flowers; sometimes placed in genus Epidendrum
  17. durable press a fabric that has been chemically processed to resist wrinkles and hold its shape
  18. butterfly insect typically having a slender body and colorful wings
  19. butterfly valve a valve in a carburetor that consists of a disc that turns and acts as a throttle
  20. butterfingered lacking physical movement skills, especially with the hands