The antonyms for the word "back water" would be terms such as "advanced", "forward", "progressing", "flourishing", and "prospering". These terms describe a state of being on the forefront or leading edge, experiencing growth and development, rather than being stagnant or behind the times. Back water suggests a place of little or no progress or advancement, whereas the antonyms describe a state of moving forward and thriving. It is important to embody the antonyms of back water in our personal and professional lives, as progress and growth lead to success and fulfillment.