Self evident refers to a statement or fact that is easily understandable and requires no further explanation or proof. Some antonyms for self evident include ambiguous, obscure, and uncertain. These words describe ideas or facts that are not clear or obvious and require additional interpretation or evidence to understand or verify. Another antonym, complex, suggests that an idea or statement is difficult to understand due to its intricacy or many parts. Similarly, unclear suggests that a statement may be true but requires more explanation or examples to be fully understood. In sum, the antonyms for self evident indicate that an idea or fact may require more effort or evidence to be fully grasped.