English Word Reference Free

iron

Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.

Letters

4 characters

Language

English

word origin

Source

Wiktionary

open dictionary

Access

Free

no sign-up needed

Detailed reference entry for the English word "iron", 4-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Hunspell error dictionaries, and usage frequency ranked against the top 100,000 English words in the Wordfreq corpus. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "iron" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "iron" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.

iron is aEnglishnoun. It means: A common, inexpensive metal, silvery grey when untarnished, that rusts, is attracted by magnets, and is used in making steel: a chemical element having atomic number 26 and symbol Fe. Pronounced /æːn/. It ranks #1,866 in English word frequency. Often confused with IRS and iso.

Key facts for iron
PropertyValue
Headwordiron
LanguageEnglish
Part of speechNoun
IPA/æːn/
Letters4
Frequency rank#1,866
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency rank visualization

Position of iron in English word frequency (lower rank = more common)

Source: Wordfreq corpus

Spelling & Dictionary Insight

The English entry for iron is 4 letters long, classified as anoun, and transcribed in the International Phonetic Alphabet as /æːn/. Corpus data places it at rank #1,866 in overall English word frequency, indicating it appears regularly in written and spoken text.Wiktionary records 14 distinct senses for this headword, so context determines which meaning a reader should apply.

Our Hunspell-derived misspelling index lists 5 documented wrong-spelling variants for iron, with forms such as "iorn", "irno", and "ironn". Each variant represents a distinct typo pattern that appears often enough in corpora to be worth flagging, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution.It also participates in 20 confusable-pair relationships, "IRS", "iso", "Ivo", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English iren, from Old English īsern, īsærn, īren, īsen, from Proto-West Germanic *īsarn, from Proto-Germanic *īsarną (“iron”), from Proto-Celtic *īsarnom (“iron”), possibly a derivation from Proto-Indo-European *h₁ésh₂r̥ (“blood”). Cognates Cog… Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is iron, spelled I-R-O-N, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    A common, inexpensive metal, silvery grey when untarnished, that rusts, is attracted by magnets, and is used in making steel: a chemical element having atomic number 26 and symbol Fe.
  2. 2
    Any material, not a steel, predominantly made of elemental iron.
  3. 3
    A tool or appliance made of metal, which is heated and then used to transfer heat to something else; most often a thick piece of metal fitted with a handle and having a flat, roughly triangular bottom, which is heated and used to press wrinkles from clothing, and now usually containing an electrical heating apparatus.
  4. 4
    Any of several other tools traditionally made of wrought iron, now usually of steel.
  5. 5
    Shackles.
  6. 6
    A firearm, either a long gun or a handgun.
  7. 7
    A dark shade of the color silver.
  8. 8
    A male homosexual.
  9. 9
    A golf club used for middle-distance shots.
  10. 10
    Used as a symbol of great strength or toughness, or to signify a very strong or tough material.
  11. 11
    Weight used as resistance for the purpose of strength training.
  12. 12
    A meteorite consisting primarily of metallic iron (mixed with a small amount of nickel), as opposed to one composed mainly of stony material.
  13. 13
    A safety curtain in a theatre.
  14. 14
    A dumb bomb, one without guidance systems.

Etymology

From Middle English iren, from Old English īsern, īsærn, īren, īsen, from Proto-West Germanic *īsarn, from Proto-Germanic *īsarną (“iron”), from Proto-Celtic *īsarnom (“iron”), possibly a derivation from Proto-Indo-European *h₁ésh₂r̥ (“blood”). Cognates Cognate with Scots airn, ern (“iron”), Yola eeren (“iron”), Saterland Frisian Iersen (“iron”), West Frisian izer (“iron”), Bavarian Eisn (“iron”), Cimbrian aizarn (“iron”), Dutch ijzer (“iron”), German, Luxembourgish Eisen (“iron”), German Low German Isen (“iron”), Limburgish iezer (“iron”), Mòcheno aisn (“iron”), Vilamovian ȧjza (“iron”), West Flemish yzer (“iron”), Yiddish אײַזן (ayzn, “iron”), Danish jern, jærn (“iron”), Faroese jarn (“iron”), Icelandic járn (“iron”), Jamtish járn, jáðn (“iron”), Norwegian Bokmål jern (“iron”), Norwegian Nynorsk jarn, jern, jønn (“iron”), Swedish jern, jaͤrn, järn (“iron”), Gothic 𐌴𐌹𐍃𐌰𐍂𐌽 (eisarn, “iron”).

This word in other languages

Common misspellings

Also misspelled as: iorn,irno,ironn,irron,rion

Misspelling Pattern Breakdown

Relative frequency of common misspelling types for iron

Misspelling Variants of "iron"

iorn4irno4ironn5irron5rion4
Misspelling Variants of "iron"

Frequency rank: #1,866 in English

Frequently Asked Questions

How do you spell "iron"?
"iron" is spelled I-R-O-N. The IPA pronunciation is /æːn/.
What does "iron" mean?
As a noun, "iron" means: A common, inexpensive metal, silvery grey when untarnished, that rusts, is attracted by magnets, and is used in making steel: a chemical element having atomic number 26 and symbol Fe.
What words are commonly confused with "iron"?
"iron" is commonly confused with "IRS", "iso", "Ivo". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "iron"?
The IPA (International Phonetic Alphabet) transcription for "iron" is /æːn/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "iron"?
From Middle English iren, from Old English īsern, īsærn, īren, īsen, from Proto-West Germanic *īsarn, from Proto-Germanic *īsarną (“iron”), from Proto-Celtic *īsarnom (“iron”), possibly a derivation from Proto-Indo-European *h₁ésh₂r̥ (“blood”). Co... See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Nearby English words

Other entries that begin with the letter I in our English index:

Explore PlainSpell

Data Source: Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Frequency data from Wordfreq. Misspellings derived from Hunspell dictionaries.