The antonyms for the phrase "showed consideration" can be translated as being inconsiderate. It may include actions that are rude, selfish, and insensitive. When someone does not show consideration, they may act in a thoughtless way that hurts others. Examples of this include ignoring someone's feelings, interrupting them, or failing to show empathy. Other antonyms to consider may include attributes such as negligence, indifference, and apathy. In contrast, showing consideration means you are thoughtful, respectful, and empathetic towards others. It is an essential trait that helps build stronger personal and professional relationships.