1. escapism tendency to use fantasy to retreat from unpleasant realities
  2. opossum nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America
  3. Adenium obesum South African shrub having a swollen succulent stem and bearing showy pink and white flowers after the leaves fall; popular as an ornamental in tropics
  4. play possum to pretend to be dead
  5. Ophioglossum the type genus of the fern family Ophioglossaceae
  6. outclassed decisively surpassed by something else so as to appear to be of a lower class
  7. odontoglossum any of numerous and diverse orchids of the genus Odontoglossum having racemes of few to many showy usually large flowers in many colors
  8. Oedogonium type genus of Oedogoniaceae
  9. unbosom relieve oneself of troubling information
  10. adactylism congenital absence of fingers and/or toes
  11. flying opossum nocturnal phalangers that move with gliding leaps using parachute-like folds of skin along the sides of the body
  12. possum nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America
  13. symposium a meeting for the public discussion of some topic
  14. autocracy a theory favoring unlimited authority by an individual
  15. geotropism an orienting response to gravity
  16. genus Pisum small genus of variable annual Eurasian vines: peas
  17. ideogram a graphic character that indicates the meaning of a thing without indicating the sounds used to say it
  18. trapezium a quadrilateral with no parallel sides
  19. tropism an involuntary orienting response
  20. white corpuscle blood cells that engulf and digest bacteria and fungi

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