The antonyms for the phrase "one sweet times" are bitter, sour, unpleasant, unsweetened, and tart. These words represent the opposite of sweetness and describe flavors that are sharp, harsh, distasteful, or acidic. One sweet times refer to experiences that are positive, enjoyable, and pleasurable. Conversely, antonyms for this phrase would represent negative, disagreeable, or painful experiences. These words can represent different contexts like food and beverage or emotions and feelings. Using the antonyms can add variety and nuance to the language, giving writers and speakers more options to express a wide range of ideas and emotions.