multifactorial

adj

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

"multifactorial" is a 14-letter English headword indexed on PlainSpell.

The verdict

“multifactorial” is uncommon English (frequency #92,903 among 4,057 “M” headwords), classed as an adjective. The kind of spelling people second-guess.

#92,903
frequency rank, English
4,057
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Involving, or controlled by multiple factors.

Corpus desk

Index EN-multifactorial · multifactorial · English

multifactorial · rank #92,903 · 0 variants · 0 confusables

  • FREQ-RARE #92,903
  • LEN-MEGA 14 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH multilaterali…

Nearest frequency peer: multilateralism (+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.

Frequency neighbourhood for “multifactorial”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “multifactorial” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for multifactorial
PropertyValue
Headwordmultifactorial
LanguageEnglish
Part of speechAdjective
Letters14
Frequency rank#92,903
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “multifactorial” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

multifactorial is uncommon English at frequency #92,903 among 4,057 “M” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for multifactorial, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From multi- + factorial. The correct English form is multifactorial, spelled M-U-L-T-I-F-A-C-T-O-R-I-A-L.

Definition

  1. 1
    Involving, or controlled by multiple factors.
  2. 2
    Involving multiple genetic or environmental factors.

Recorded use

Wiktionary examples

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

  1. […] a pattern in medical research on infectious and degenerative diseases in the United States. That pattern shows three main built-in biases: 1) towards a single-agent theory of disease, as opposed to a multi-factorial analysis; 2) […]
  2. One of the under-reported dynamics during the coronavirus pandemic has been the collapse of One Nation’s vote. The reasons for this are likely multi-factorial.

Etymology

From multi- + factorial.

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "multifactorial"?
"multifactorial" is spelled M-U-L-T-I-F-A-C-T-O-R-I-A-L.
What does "multifactorial" mean?
As an adjective, "multifactorial" means: Involving, or controlled by multiple factors.
What is the origin of the word "multifactorial"?
From multi- + factorial. 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 "multifactorial", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 14 letters (nearest by frequency rank).

multiprocessor#92,905meaningfulness#92,858philosophizing#93,003troubleshooter#93,261

What to do next

You've looked up "multifactorial". Here's where to go from here.

  • Usage frequency rank #92,903 among English headwords in this corpus. Corpus statistics
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PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list