iron man

noun

1. a person, as a worker or athlete, of great physical endurance who can be depended upon to perform a given task or job tirelessly.
2. a machine that performs a job formerly done by hand; robot.
3. Slang. a dollar bill or a silver dollar.

iron man

noun

1. an event at a surf carnival in which contestants compete at swimming, surfing, running, etc
2. a competitor at such an event

Word History and Origins

Origin of iron man¹

First recorded in 1610–20

Example Sentences

He is Iron Man, after all, and one of the biggest movie stars in the world.

From The Daily Beast

And as previously mentioned, she joins forces with Iron Man and the pro-registration heroes during the Civil War storyline.

From The Daily Beast

Do people recognize you more from Happy Endings, The Mindy Project, or Iron Man 3?

From The Daily Beast

Truly, I wanted to be blown away and feel like this guy would be like Robert Downey Jr. was in Iron Man.

From The Daily Beast

“Truly, I wanted to be blown away and feel like this guy would be just like Robert Downey Jr. was in Iron Man,” says Gunn.

From The Daily Beast

Coleridge calls him a 'keen iron man,' and reports that he made a butt of Godwin as he had done of Paine.

From Project Gutenberg

Like that rumbling carriage without horses, this jointed iron man came walking toward me.

From Project Gutenberg

But the grip of his hand had been like the grip of an iron man.

From Project Gutenberg

Even Morgan, that iron man among iron men, leans on his rifle and despairs of the field.

From Project Gutenberg

As usual, the iron-man asked twice as much as he intended to take, and after a sharp bargain, Roejean conquered.

From Project Gutenberg