Maintenance may refer to: Non-technical maintenance: , slang expression Maintenance of an organism Child support or alimony, also called spousal support Maintenance as defined in champerty: assistance provided to a litigant by one who doesn't have a bona-fide interest in a lawsuit. Technical maintenance: Aircraft maintenance Car maintenance Maintenance of way Software maintenance Software maintainer General types of technical maintenance: Maintenance, repair and operations Predi… (More on Maintenance)