There are many synonyms for the word "indiscriminate," which means to be done without thought or care for distinction or differentiation. Some of these synonyms include "random," "haphazard," "unselective," "casual," "heedless," "thoughtless," "unthinking," "blind," "indifferent," "unmindful," "careless," "reckless," "irresponsible," "impetuous," and "rash." Each of these words is similar in that they describe actions or behaviors that are done without consideration or discernment. Whether one is talking about actions taken in daily life or on a grander scale, words like these help to describe actions that lack purpose or intention.