The phrase "haddest one way" means to have a particular method or approach. Some synonyms for this phrase include: adopted one technique, employed a certain tactic, utilized a specific strategy, implemented a particular method, employed one approach, followed a certain process, practiced a certain system, utilized a particular methodology, pursued one direction, and adhered to one path. These synonyms convey the idea of having a clear and focused way of approaching a task or problem. It is important to understand the different synonyms that can be used in place of "haddest one way" in order to express oneself more precisely and effectively.