of age

1. come of age . Mature or develop fully, as in The school's bilingual program has finally come of age .

2. Old enough, according to the law, to be eligible for something, as in In this state he's not of age for buying liquor, but he may vote , or Next year Jane's coming of age and will get her driver's license . This usage was first recorded about 1430. The term under age signifies being too young to be eligible, as in It's against the law to serve alcohol to anyone under age .

Example Sentences

By five days of age, these fishlets are swimming around and hunting prey, a skill that involves sustained visual attention.

From Science Daily

Those I came of age with largely eschewed politics, out of a sense of progressive purity.

From Los Angeles Times

Professor Savarirayan and his research team have previously shown how the drug improves bone growth development in patients as young as four months up until 18 years of age.

From Science Daily

The World Health Organization recommends exclusively breastfeeding infants up to six months of age; however, in the U.S., only 26% of infants met this recommendation in 2020.

From Science Daily

Dr Goodall is now 90 years of age, and she and Mr H are still travelling.

From BBC

Related Words

• matured
• sophisticated