The antonyms for the phrase "more self-evident" refer to a situation where the truth is not immediately clear. The synonyms for this phrase include obscured, ambiguous, uncertain, doubtful, and ambiguous. When something is obscured, it is hidden from view or knowledge, and it takes effort to uncover its significance. Ambiguous refers to anything that can be interpreted in different ways, causing confusion or uncertainty. Uncertain means something that is not clear or definite, and doubtful refers to a situation where there is a lack of trust or belief. Finally, ambiguous refers to situations where it is hard to understand and clearly articulate the meaning of something.