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iron man

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noun

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

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Origin of iron man

First recorded in 1610–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for iron man

British Dictionary definitions for iron man

iron man

noun Australian

an event at a surf carnival in which contestants compete at swimming, surfing, running, etc
a competitor at such an event
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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