ten years old; age 10
Used to state that someone or something is ten years of age. The reading じっさい is a common colloquial variant.
My son will be ten years old this year.
I got a bicycle for my tenth birthday.
十代 means 'teenage years' (10–19), while 十歳 specifically means 'ten years old'.
Standard kanji spelling for 'ten years old'. 歳 is the formal character for age, but 才 is also widely used.
Common simplified spelling using 才 instead of 歳. Often seen in informal writing and for children.
Compound of 十 (ten) and 歳 (years of age). The reading じゅっさい is a regular sound shift from じっさい, which is now considered a colloquial variant.