disapproval If you describe an action as indiscriminate, you are critical of it because it does not involve any careful thought or choice. The indiscriminate use of fertilisers is damaging to the environment. selective + indiscriminately in·dis·crimi·nate·ly The men opened fire indiscriminately. an indiscriminate action is done without thinking about what harm it might cause indiscriminate attacks/killing/violence/bombing etc
not marked by fine distinctions; "indiscriminate reading habits"; "an indiscriminate mixture of colors and styles" failing to make or recognize distinctions