ironclad

adj

By · According to Wiktionary data (CC BY-SA) ·

"ironclad" is a 8-letter English headword indexed on PlainSpell.

The verdict

“ironclad” has 12 generated spelling variants in the English index at frequency #40,754. The variants make it a useful spelling check.

#40,754
frequency rank, English
2,140
“I” headwords
12
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Covered with iron, steel, or (loosely) any other tough metal; armor-plated.

Corpus desk

Index EN-ironclad · ironclad · English

ironclad · rank #40,754 · 12 variants · 0 confusables

  • FREQ-MID #40,754
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-MID 12 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH Jabbar

Nearest frequency peer: Jabbar (+1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rank peers near misspelling magnet “ironclad”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “ironclad” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for ironclad
PropertyValue
Headwordironclad
LanguageEnglish
Part of speechAdjective
Letters8
Frequency rank#40,754
Misspellings tracked12
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “ironclad”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).ironcladlands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “Jabbar” (#40,755), “Inman” (#40,751), “initiator” (#40,750). Among 2,140 “I” headwords, “ironclad” is #40,754. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 12 spelling variants around ironclad, anadjective. Corpus frequency is #40,754 among 2,140 “I” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 12 likely wrong-spelling variants for ironclad, with forms such as "iornclad", "irnoclad", and "irocnlad". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From iron + clad. The correct English form is ironclad, spelled I-R-O-N-C-L-A-D.

Definition

  1. 1
    Covered with iron, steel, or (loosely) any other tough metal; armor-plated.
  2. 2
    Solid or certain; not able to be disputed or questioned; irrefutable.
  3. 3
    Rigorous; severe; exacting.
  4. 4
    Stubborn; inflexible.

Recorded use

Wiktionary examples

These source excerpts show how ironclad appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Unlike the average vehicle, cash delivery vans are ironclad and almost unstoppable.
  2. In that flickering pallor it had the effect of a large and clumsy black insect, an insect the size of an ironclad cruiser, crawling obliquely to the first line of trenches and firing shots out of portholes in its side.

Etymology

From iron + clad.

This word in other languages

incontrovertible(Español)sans faille(Français)hieb- und stichfest(Deutsch)

Common misspellings

Also misspelled as:

  • iornclad
  • irnoclad
  • irocnlad
  • ironcald
  • ironcclad
  • ironcladd
  • ironclda
  • ironcllad
  • ironlcad
  • ironnclad
  • irronclad
  • rionclad

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of ironclad - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

iornclad2irnoclad2irocnlad2ironcald2ironcclad1ironcladd1ironclda2ironcllad1
Edit distance from "ironclad"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ironclad"?
"ironclad" is spelled I-R-O-N-C-L-A-D.
What does "ironclad" mean?
As an adjective, "ironclad" means: Covered with iron, steel, or (loosely) any other tough metal; armor-plated.
What are common misspellings of "ironclad"?
Common misspellings include "iornclad", "irnoclad", "irocnlad", "ironcald", "ironcclad". The correct spelling is "ironclad".
What is the origin of the word "ironclad"?
From iron + clad. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "ironclad", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

iniquity#40,749Kavanagh#40,763Kirchner#40,769homology#40,738

Similar misspelling depth

Headwords with a similar count of attested misspellings (12 here; floor ≥5).

initiator12 variantsheadlong12 variantsleaching12 variantsmunchies12 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list