The phrase "dead ending" refers to a situation where one is at the end of the line with no way forward. An antonym for this phrase might be "prosperous beginning," signifying a fresh start full of opportunities. Other antonyms could include "unlimited potential," indicating a situation where one is limitless in their options, or "promising future," conveying a sense of hope and possibility. The opposite of a dead end could also be something like a "vibrant path," suggesting a journey full of excitement and energy. Ultimately, the antonyms for "dead ending" all signal positive and hopeful outcomes, rather than bleak and hopeless ones.