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