Peak ratings is a commonly used term in the world of television and media. It refers to the highest number of viewers that are tuning in to a program broadcasted at a given time. Synonyms for peak ratings include peak audience, peak viewership, peak viewers, and peak ratings share. Other terms that can be used in the same context are top ratings, peak performance, maximum ratings, and highest viewership. These terms are vital in determining the success of a program or network and give insights into how the viewership is responding. By analyzing peak ratings, networks can make informed decisions about their programming strategies and scheduling.