The word "more crepuscular" refers to something that happens or is active during twilight or the dusk period. The antonyms for this word would be the opposite of this, indicating things that happen during the day or at dawn. Words like "diurnal," "daytime," "bright," "sunlit," and "nocturnal" could serve as great antonyms for "more crepuscular." While crepuscular activities are often associated with animals and insects, diurnal activities can include birds, primates, and humans. No matter the context, antonyms for "more crepuscular" open up an entirely new set of experiences and opportunities to explore.