Videofive-year-old

Learn how to correctly use the compound adjective five-year-old to describe people, animals, and objects that have existed for five years. This lesson covers the essential grammar rules for hyphenation and explains how the word can also function as a noun in informal settings. We will explore common examples like describing a child starting kindergarten or a five-year-old company. You will also learn formal synonyms and how to adapt this structure for other ages. Watch the lesson to master this useful English term.