The Webster’s Ninth New Collegiate Dictionary by Merriam-Webster is a comprehensive monolingual dictionary in English, offering definitions and meanings for words in various subject areas such as English and language. Published in 1989 as part of the Webster’s New World series, this hardcover edition contains 1568 pages of revised content. With a focus on both beginner and advanced levels of language proficiency, this dictionary is a valuable resource for individuals looking to enhance their vocabulary and understanding of the English language.