Meanings of grownup man in English

She got panicky for a moment, because she had realized there was definitely someone there, a grownup man, and she felt blind and helpless.

So far, we have spent our time in rediscovering, in the diversions of the grownup man, those mechanical combinations which amused him as a child.

Among the Berawans of Sarawak, when a woman desires to adopt a grownup man or woman, a great many people assemble and have a feast.

She was famous with the grownup men for doing handstands in her bikini.

Is this the way grownup men and women talk sometimes when they trust each other?

Like most grownup men too, I'd say.