1. responsibility the social force that binds you to a course of action
  2. civic responsibility the responsibilities of a citizen
  3. sense of responsibility an awareness of your obligations
  4. irresponsibility the trait of lacking trustworthiness or reliability
  5. responsible worthy of or requiring trust; held accountable
  6. indispensability the quality possessed by something that you cannot possibly do without
  7. indispensable essential
  8. irresponsibleness a form of untrustworthiness
  9. contingent probability the probability that an event will occur given that one or more other events have occurred
  10. indispensableness the quality possessed by something that you cannot possibly do without
  11. contingent determined by conditions or circumstances that follow
  12. irresponsible showing lack of care for consequences
  13. responsibleness a form of trustworthiness
  14. dispensability the quality possessed by something that you can get along without
  15. Onoclea sensibilis beautiful spreading fern of eastern North America and eastern Asia naturalized in western Europe; pinnately divided fronds show a slight tendency to fold when touched; pinnules enclose groups of sori in beadlike lobes
  16. ankylosing spondylitis a chronic form of spondylitis primarily in males and marked by impaired mobility of the spine; sometimes leads to ankylosis
  17. transposability ability to change sequence
  18. incomprehensibility the quality of being incomprehensible
  19. unresponsiveness the quality of being unresponsive
  20. insensibility devoid of passion or feeling; hardheartedness