1. adjective
    (of a couple) existing together harmoniously
  2. adjective
    able to exist and perform in harmonious or agreeable combination; "a compatible married couple"; "her deeds were compatible with her ideology"
  3. adjective
    capable of being used with or connected to other devices or components without modification
  4. adjective
    capable of forming a homogeneous mixture that neither separates nor is altered by chemical interaction
  5. adjective
    having similar disposition and tastes; "a compatible married couple"; "with their many similar tastes, he found her a most sympathetic companion"