When a male human reaches adulthood, he is usually described as a man. According to the Merriam-Webster Dictionary, a boy is "a male child from birth to adulthood". [1]

The meaning of BOY is a male child from birth to adulthood. How to use boy in a sentence.

The phrases my dear boy and old boy are used as friendly ways for one man to address another man. Why, my dear boy, of course I want to see you. Cheer up, old boy. Boy is often offensive …

BOY definition: 1. a male child or, more generally, a male of any age: 2. a group of male friends: 3. an…. Learn more.

Dec 28, 2025 · A boy is a male child. When a baby is born, the doctor or midwife often says, "It's a girl!" or "It's a boy!"

You can refer to a man as a boy, especially when you are talking about him in an affectionate way.

He's just a boy; he doesn't know how to act around girls. Informal Terms Informal. a grown man, esp. when referred to familiarly: I think the boys in the lab need to work on this a little longer.

Apr 22, 2025 · "Boy" Definition: What Does "Boy" Mean? "Boy" is commonly used across various contexts, from familial relationships to slang and expressions. Let’s explore its core definitions …

To treat as a boy, or as something belonging to or befitting a boy. To act or represent in the manner of a boy: in allusion to the acting by boys of women's parts on the stage.

Boy definition: A male child.