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Iron man or ironman?

iron man is a noun meaning “Alternative form of ironman”; ironman is a noun meaning “An extremely tough and strong athlete, especially one who competes in extreme…”. iron man is written as two words and ironman as one word; they are used differently.

iron manorironman

What is the difference between iron man and ironman?

iron manironman
Part of speechnounnoun
Meaning

A self-acting spinning mule used in cotton manufacture

Someone who performs a very complex, complicated, or strenuous task without assistance

An extremely tough and strong athlete, especially one who competes in extreme athletic competitions or in a large number of games consecutively

AustraliaA form of surf lifesaving competition which combines swimming, board paddling, ski paddling and running

ExampleYou don't have to be an iron man and do all the work yourself: there are people here who can help younone recorded
Formsnoneironmen, ironmans
Pronunciationnot recordednot recorded
In writingnot counted (the list counts single words)1.5 times per million words

Sources: iron man and ironman in the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Every current meaning of iron man and ironman

iron man

  1. 1

    noun Alternative form of ironman

  2. 2

    noun A self-acting spinning mule used in cotton manufacture

  3. 3

    noun Someone who performs a very complex, complicated, or strenuous task without assistance

    You don't have to be an iron man and do all the work yourself: there are people here who can help you

  4. 4

    noun USdatedslangA dollar

ironman

  1. 1

    noun An extremely tough and strong athlete, especially one who competes in extreme athletic competitions or in a large number of games consecutively

  2. 2

    noun AustraliaA form of surf lifesaving competition which combines swimming, board paddling, ski paddling and running

  3. 3

    noun An extreme form of triathlon, expecially one organised by the World Triathlon Corporation that comprises a 2.4-mile swim, a 112-mile bike race and a marathon run

  4. 4

    noun The winner of such a lifesaving event or triathlon

Source: the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); obsolete, archaic, dialect and rare senses left out.

Which is more common, iron man or ironman?

iron man is a phrase, which the list of single words does not count; ironman 1.5 times per million words.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

The words