High income is a term that is used to describe individuals who earn a considerable amount of money annually. There are several synonyms for high income, such as affluent, prosperous, wealthy, and well-off. These words represent individuals who have a considerable amount of financial wealth and can afford a luxurious lifestyle. Other synonyms for high income include prosperous, opulent, and financially successful. A high income is usually associated with a high standard of living and a comfortable life. It is often considered a sign of success and achievement. Regardless of the term used to describe it, a high income is something that many people aspire to achieve in their lives.