Heydays can be defined as a period of time marked by success, prosperity, or popularity. Some synonyms for heydays include golden era, prime, peak, zenith, the height of success, the pinnacle of fame, or the height of prosperity. These terms are often used to describe a time when a person, place, or thing was at its most successful or popular. For example, the 1920s are often referred to as the golden era of Hollywood, or the rock band The Beatles are said to have reached their pinnacle of success in the 1960s. Synonyms for heydays can be useful in providing a more precise description of a particular period in history or a particular point in time for a specific individual or organization.