The word "most nonobjective" refers to an idea or concept that is entirely subjective, lacking any objective or factual basis. Its antonyms are objective, factual, realistic, practical, empirical, and verifiable. Objective means that the statement or concept is unbiased, factually accurate, and based on logical reasoning. Factual refers to something that is capable of being proven or observed, and can be supported by evidence. Realistic means that the idea or concept is grounded in reality, and can be achieved or observed in the real world. Practical refers to something that is useful, effective, and efficient. Empirical refers to information or evidence that is based on observation or experiment, while verifiable means that something can be proven or validated through evidence.