Reekless is a word that means careless or thoughtless, often with negative connotations. Other synonyms for this word include reckless, thoughtless, heedless, careless, irresponsible, and inconsiderate. These words all imply a lack of consideration or concern for the consequences of one's actions. They can be used to describe behavior that is risky, impulsive, or simply thoughtless. Whether it's speeding through traffic or speaking without thinking, these synonyms for reekless all suggest a behavior that is not only unwise, but also potentially harmful to oneself and others. It's important to be mindful of our actions and to consider the consequences that they may have on ourselves and others.