The phrase "carries oneself" refers to the way a person presents themselves physically, emotionally, and mentally in various settings. Antonyms for this phrase would include words such as slouch, shrink, timid, hunch, stoop, and cower. Each of these words suggests a lack of confidence or poor posture that does not convey the same level of self-assuredness as someone who carries themselves with grace and poise. Other antonyms for carrying oneself might include disjointed, clumsy, awkward, or unconfident. These words describe an individual who may not feel comfortable in their own skin or may be struggling to adapt to new situations, which is the opposite of someone who is comfortable and confident in their demeanor.