Twenty-one in a sentence as a noun

Oops, int can be 64 bits, better make that twenty-one. Oops, sprintf honors locale.

They don't whine, they don't go chasing after "frameworks," and they don't succumb to the twenty-one-days model of learning. They just build ****.

I’ve been married twenty-one years, and neither of us are the same two people who got married all that time ago. There have been times when we’ve discussed if the two people we’ve become should stay married.

He retired after twenty-one years, and now he's a senior sysadmin for a local ISP with a great massive beard and a peace sign on his bumper. I'm going to send him the article.

Twenty-one in a sentence as an adjective

But I don't eat twenty-one good meals a week." I've seen before this idea that people would lose the ability to enjoy cooking or eating if it weren't literally required to survive.

Background for those who're not aware of what's happening in India: A week back, a twenty-one year old woman was gang raped by six other men in a private bus in New Delhi. The rape involved the use of an iron rod, which totally messed up with her digestive system.

Several months later, he had the results: the median estimated age at death for patients in Matthews’s center was twenty-one years, seven times the age of patients treated elsewhere. He had not had a single death among patients younger than six in at least five years."

The legislature shall provide for a system of common schools by which a free school shall be established and maintained in every school district for at least six months in each year, which school shall be open to all pupils between the ages of six and twenty-one years.

Twenty-one definitions

noun

the cardinal number that is the sum of twenty and one

noun

a gambling game using cards; the object is to hold cards having a higher count than those dealt to the banker up to but not exceeding 21

See also: blackjack vingt-et-un

adjective

being one more than twenty