adjective. often improvised or impromptu.
adjective. ['ˈædˈlɪb'] with little or no preparation or forethought.
adjective. for or concerned with one specific purpose.
verb. ['ˈædˈlɪb'] perform without preparation.
adjective. ['ˈædˈlɪb'] said or done without having been planned or written in advance.
noun. ['ˈædˈlɪb'] remark made spontaneously without prior preparation.
noun. ['ˈæd'] a public promotion of some product or service.