The antonyms for the phrase "more outline" are "less detail," "imprecise," "vague," "general," "broad," "broad-brush," "sketchy," "incomplete," and "blurry." The term "less detail" pertains to a lack of specifics or concrete descriptions. "Imprecise" means lacking precision or accuracy. "Vague" is an adjective used to describe something that is unclear or hazy. "General" implies a lack of specificity or discernment. "Broad" points to a wide area without much depth or clarification. "Sketchy" refers to something that is not well-thought-out or incomplete. "Incomplete" denotes an unfinished or insufficient outline, while "blurry" means not clear, indistinct, or hazy.