macadam

/məˈkædəm/

//məˈkædəm// noun

"macadam" is a 7-letter English headword indexed on PlainSpell.

The verdict

“macadam” is uncommon English (frequency #67,610 among 4,057 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#67,610
frequency rank, English
4,057
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The surface of a road consisting of layers of crushed stone (usually tar-coated for modern traffic).

Corpus desk

Index EN-macadam · macadam · English

macadam · rank #67,610 · 0 variants · 0 confusables

  • FREQ-RARE #67,610
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH Mafioso

Nearest frequency peer: Mafioso (+3 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.

Long-tail ranks near “macadam”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “macadam” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for macadam
PropertyValue
Headwordmacadam
LanguageEnglish
Part of speechNoun
IPA/məˈkædəm/
Letters7
Frequency rank#67,610
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “macadam” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).macadamfalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “Mafioso” (#67,613), “Lusitania” (#67,606), “magnetometer” (#67,614). Among 4,057 “M” headwords, “macadam” is #67,610. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

macadam is uncommon English at frequency #67,610 among 4,057 “M” headwords, classed as anoun, transcribed /məˈkædəm/. Rarity is why readers land here mid-draft. 2 senses are on record.

macadam has no tracked misspelling variants, a sign its spelling follows regular English conventions. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: Named after Scottish engineer John Loudon McAdam (1756–1836), who invented the process of macadamization. Used for describing road surfaces originally constructed using the McAdam method, but now sometimes used for any road or street. The correct English form is macadam, spelled M-A-C-A-D-A-M.

Definition

  1. 1
    The surface of a road consisting of layers of crushed stone (usually tar-coated for modern traffic).
  2. 2
    Any road or street.

Recorded use

Wiktionary example

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

  1. This narrow-gauge line had suffered the same fate as that between Schull and Skibbereen, with the track taken up except where it runs through one of the town streets and is embedded in the macadam.

Etymology

Named after Scottish engineer John Loudon McAdam (1756–1836), who invented the process of macadamization. Used for describing road surfaces originally constructed using the McAdam method, but now sometimes used for any road or street.

This word in other languages

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 "macadam"?
"macadam" is spelled M-A-C-A-D-A-M. The IPA pronunciation is /məˈkædəm/.
What does "macadam" mean?
As a noun, "macadam" means: The surface of a road consisting of layers of crushed stone (usually tar-coated for modern traffic).
How do you pronounce "macadam"?
The IPA (International Phonetic Alphabet) transcription for "macadam" is /məˈkædəm/. 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 "macadam"?
Named after Scottish engineer John Loudon McAdam (1756–1836), who invented the process of macadamization. Used for describing road surfaces originally constructed using the McAdam method, but now sometimes used for any road or street. 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 "macadam", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list