1. incongruent not corresponding in character or kind
  2. congruent corresponding in character or kind
  3. incongruity the quality of disagreeing
  4. incongruous lacking in harmony or compatibility or appropriateness
  5. incoherent without logical or meaningful connection
  6. incontinent lacking restraint or self-control
  7. incognito without revealing one's identity
  8. inconsequent lacking worth or importance
  9. unconquered not conquered
  10. concurrent occurring or operating at the same time
  11. inconvenient not well timed
  12. incongruously in an incongruous manner
  13. incandescent emitting light as a result of being heated
  14. inconvenience the quality of not being useful
  15. incongruousness the quality of disagreeing
  16. unconcerned lacking in interest or care or feeling
  17. inconstant likely to change frequently often without apparent or cogent reason; variable
  18. incognizant (often followed by `of') not aware
  19. incompetent not qualified or suited for a purpose
  20. Duncan Grant Scottish painter