Definitions of mindless:

  • adjective:   requiring little mental effort
    Example: "Mindless tasks"
  • adjective:   lacking the thinking capacity characteristic of a conscious being
    Example: "The shrieking of the mindless wind"
  • adjective:   not marked by the use of reason
    Example: "Mindless violence"
  • adjective:   not mindful or attentive
  • adjective:   complacently or inanely foolish