The antonym for ‘gist’ is ‘detail’.
‘Gist’ refers to the main point or essence of something, often implying a summary or the crux of the matter. In contrast, ‘detail’ refers to the specific elements or particulars of a subject. While ‘gist’ captures the overarching idea, ‘detail’ drills down into the finer points, making them opposing concepts in the context of understanding information.