1. maintenance activity involved in keeping something in good working order
  2. criminal maintenance the unauthorized interference in a legal action by a person having no interest in it (as by helping one party with money or otherwise to continue the action) so as to obstruct justice or promote unnecessary litigation or unsettle the peace of the community
  3. countenance the appearance conveyed by a person's face
  4. indignant angered at something unjust or wrong
  5. incontinence involuntary urination or defecation
  6. acquaintance personal knowledge or information about someone or something
  7. scheduled maintenance maintenance at a regularly scheduled time
  8. Ural Mountains a mountain range in western Russia extending from the Arctic to the Caspian Sea; forms part of the traditional boundary between Europe and Asia
  9. annuity in advance an annuity paid in a series of more or less equal payments at the beginning of equally spaced periods
  10. incontinency involuntary urination or defecation
  11. unilluminating failing to inform or clarify
  12. inclementness weather unsuitable for outdoor activities
  13. annulment an official or legal cancellation
  14. illuminance the luminous flux incident on a unit area
  15. unyieldingness resoluteness by virtue of being unyielding and inflexible
  16. appurtenance equipment consisting of miscellaneous articles
  17. urinary incontinence inability to control the flow of urine and involuntary urination
  18. enlightening tending to increase knowledge or dissipate ignorance
  19. animal magnetism magnetic personal charm
  20. Altai Mountains a mountain range in central Asia that extends a thousand miles from Kazakhstan eastward into western Mongolia and northern China