Re-thinking refers to an individual's ability to analyze, evaluate and review a certain subject, idea or thought process. Antonyms for re-thinking include closed-mindedness, inflexibility, and dogmatism. Being closed-minded refers to someone who is unwilling to consider alternative viewpoints, ignoring other ideas or perspectives. Inflexibility is an antonym for re-thinking, as it refers to a lack of adaptability to change, rigidity, and an unwillingness to consider new solutions. Dogmatism is also an antonym for re-thinking, as it refers to individuals who rigidly adhere to beliefs or principles without considering other viewpoints. In conclusion, these antonyms imply that it is essential to be open-minded, flexible and willing to welcome new ideas to make progress in our society.