When asked what part of speech is year, the direct answer is simple: year is a noun. But it names a unit of time, and like most nouns, it can be singular or plural, take a determiner, appear as the subject or object of a sentence, and form possessives. That basic classification matters because year often appears in phrases such as “last year,” “year-end,” and “a five-year plan,” where its role can look confusing at first glance. In every standard use, however, the core word remains a noun And it works..
The Short Answer: Year Is a Noun
A noun is a word that names a person, place, thing, idea, or unit. Year names a period of time—specifically, the time it takes for Earth to complete one orbit around the Sun, or a calendar unit of twelve months. Because it names something rather than describing an action, replacing a noun, or modifying a verb, it belongs to the noun class.
The dictionary classification is straightforward: year is a common noun. It is not capitalized unless it begins a sentence or appears in a title. It is also a countable noun, which means we can count it and use it in both singular and plural forms:
- one year
- **two