one-year-old

1. 1.

   one year of age

   Similaryoung

Questions about one-year-old

What does one-year-old mean?

one-year-old means "one year of age".

How many syllables are in one-year-old?

one-year-old has 4 syllables: o-ne-y-ea-r-old. The stress falls on "ne-y".

Is one-year-old a common word?

one-year-old is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.