Most primrose means the most delicate, soft, and light. The word primrose can have different antonyms depending on the context, but some of the antonyms for most primrose could be harsh, rough, dark, or heavy. For instance, when referring to a person, the antonym for most primrose could be blunt, aggressive, or intense. When talking about music, most primrose could be opposite to loud, heavy, or fast. In the context of colors, most primrose could be the opposite of dark, bold or muddy colors. It's essential to consider context while identifying antonyms and pairing them with the correct word.