Most truistic refers to a statement or idea that is overly cliched or obvious. Some antonyms for this phrase could include unique, original, and innovative. These words suggest something that is new, fresh, and different from what one would typically expect. This is opposed to most truistic, which indicates a lack of originality or creativity. Other antonyms could include complex, intricate, and nuanced, which suggest a depth of thought and understanding beyond basic or obvious concepts. Overall, antonyms for most truistic emphasize the importance of individuality, creativity, and critical thinking.