Highlife is a lively and energetic term that is commonly used to describe a luxurious and enjoyable way of living. However, there are various other synonyms available in the English language to convey the same meaning. Some of the popular substitutes for the term highlife are extravagant, posh, lavish, plush and deluxe. All these words denote a lavish and affluent way of living, which is characterized by comfort, luxury and splendor. By using these synonyms for highlife, individuals can express their ideas and communicate more effectively. When we want to convey a luxurious and wealthy lifestyle, we can use any of the available synonyms for highlife.