Biggest share can be described using various synonyms such as the largest proportion, the greatest percentage, or the dominant portion. These terms denote the most significant or prominent part of a whole. Other synonyms for biggest share include the major portion, the bulk of, or the lion's share, which suggests that the allocation is more substantial than others. Additionally, phrases such as largest slice, chief segment, and primary allocation can also depict the biggest share. Whether it's for a company's earnings or dividing a pizza among friends, using these synonyms can add variety and depth to one's language and accurately convey the magnitude of the biggest share in any context.