multibillion

/ˌmʌltiˈbɪljən/

//ˌmʌltiˈbɪljən// adj

"multibillion" is a 12-letter English headword indexed on PlainSpell.

The verdict

“multibillion” is uncommon English (frequency #56,302 among 36,575 “M” headwords), classed as an adjective. The kind of spelling people second-guess.

#56,302
frequency rank, English
36,575
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Having a value of several billion (in general, at least two billion).

Key facts for multibillion
PropertyValue
Headwordmultibillion
LanguageEnglish
Part of speechAdjective
IPA/ˌmʌltiˈbɪljən/
Letters12
Frequency rank#56,302
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “multibillion” 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). multibillion 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

multibillion is uncommon English at frequency #56,302 among 36,575 “M” headwords, classed as anadjective, transcribed /ˌmʌltiˈbɪljən/. Rarity is why readers land here mid-draft. Gloss: "Having a value of several billion (in general, at least two billion).".

multibillion has no tracked misspelling variants, a sign its spelling follows regular English conventions. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From multi- + billion. The correct English form is multibillion, spelled M-U-L-T-I-B-I-L-L-I-O-N.

Definition

  1. 1
    Having a value of several billion (in general, at least two billion).

Etymology

From multi- + billion.

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 "multibillion"?
"multibillion" is spelled M-U-L-T-I-B-I-L-L-I-O-N. The IPA pronunciation is /ˌmʌltiˈbɪljən/.
What does "multibillion" mean?
As an adjective, "multibillion" means: Having a value of several billion (in general, at least two billion).
How do you pronounce "multibillion"?
The IPA (International Phonetic Alphabet) transcription for "multibillion" is /ˌmʌltiˈbɪljən/. 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 "multibillion"?
From multi- + billion. 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.

Using “multibillion”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is M-U-L-T-I-B-I-L-L-I-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌmʌltiˈbɪljən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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 FrequencyWords open word-frequency list