"More twilit" refers to a state of being dimly lit, suggestive of twilight. The antonyms for this term would be bright, radiant, sunny or luminous. When we say something is bright, it means that it is filled with light or shining. Radiant, on the other hand, refers to something that emits or reflects light, creating a dazzling or glowing effect. Similarly, sunny is associated with sunshine that is lively, warm and cheerful. Luminous, on the other hand, is a term used to describe something that emits or reflects light, making it stunning and dewy. In contrast, these antonyms represent clarity and vividness instead of ambiguity or obscurity.