Lion-share is a colloquial expression that is commonly defined as the majority or the largest part of something. Synonyms for the word lion-share include bulk, preponderance, major portion, substantial amount, dominant part, main share, and the lion's part. These words help to express the idea that something is bigger or more significant than any other portion. Other synonyms for lion-share include greater part, chief part, and majority share. These words can be used interchangeably with lion-share, making speech and writing more varied and expressive. By using imaginative synonyms, communicators can add color and depth to their language and ideas.