done at random or without careful judgement 任意的;胡乱行事的,不分青红皂白的,行事草率的 terrorist gunmen engaged in indiscriminate killing. 恐怖主义持枪歹徒参与滥杀行动。 ■(of a person) not using or exercising discrimination (人)不加区别的 she was indiscriminate with her affections. 她对爱不加 区别。