five-year-old
UK: ˌfaɪv jɪər ˈəʊld | US: ˌfaɪv jɪr ˈoʊld
adj. describing something or someone that is five years in age
n. a person or thing that is five years old
The term "five-year-old" is a compound adjective/noun formed by combining "five" (from Old English fīf, meaning the number 5), "year" (from Old English ġēar, meaning a cycle of seasons), and "old" (from Old English eald, meaning aged). This structure follows a common English pattern for age descriptors, where a numeral is paired with "year" and "old" to denote specific age. The hyphenation ensures clarity in modifying nouns (e.g., "five-year-old child").
The five-year-old proudly showed her kindergarten drawing.
This five-year-old oak tree has grown remarkably fast.
He gifted his nephew a toy train for his five-year-old birthday.
The museum offers free admission for five-year-olds.
A five-year-old car typically has lower depreciation than a newer model.