The phrase "with great indiscretion" is often used to describe actions or behavior that are careless, thoughtless, or reckless. Synonyms for this phrase include imprudently, heedlessly, recklessly, thoughtlessly, carelessly, and rashly. These words all convey a sense of acting without consideration for the consequences. Some other synonyms include impulsively, injudiciously, unthinkingly, and thoughtlessly. It is important to be aware of these words and their meanings, as they can help convey a more precise message and help express a stronger sentiment. Additionally, they can help avoid repetition in writing or speech, leading to a more varied and interesting vocabulary.