infinite

/ˈɪnfᵻnɪt/

//ˈɪnfᵻnɪt// adj

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

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

The verdict

“infinite” is a regularly-used English word, ranked #5,507 in English word frequency and used as an adjective.

#5,507
frequency rank, English
8
letters
11
tracked misspellings
4
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Indefinably large, countlessly great; immense.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

infinite vs infinity
88% similar
infinite vs infinitely
80% similar
infinite vs infinitive
80% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for infinite
PropertyValue
Headwordinfinite
LanguageEnglish
Part of speechAdjective
IPA/ˈɪnfᵻnɪt/
Letters8
Frequency rank#5,507
Misspellings tracked11
Confusable pairs4
SourceWiktionary (kaikki.org)

Where “infinite” 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). infinite lands here:

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

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

Spelling & Dictionary Insight

The English entry for infinite is 8 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ˈɪnfᵻnɪt/. Corpus data places it at rank #5,507 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 7 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 11 likely wrong-spelling variants for infinite, with forms such as "ifninite", "inffinite", and "infiinte". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 4 confusable-pair relationships, "infinity", "infinitely", "infinitive", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English infinite, from Old French infinit and its etymon Latin īnfīnītus, from in- (“not”) + fīnis (“end”) + the perfect passive participle ending -ītus. By surface analysis, in- + finite. Doublet of infinito. Displaced native Old English unġeen… The correct English form is infinite, spelled I-N-F-I-N-I-T-E.

Definition

  1. 1
    Indefinably large, countlessly great; immense.
  2. 2
    Boundless, endless, without end or limits; innumerable.
  3. 3
    Infinitely many.
  4. 4
    Greater than any positive quantity or magnitude; limitless.
  5. 5
    Having infinitely many elements.
  6. 6
    Not limited by person or number.
  7. 7
    Capable of endless repetition; said of certain forms of the canon, also called perpetual fugues, constructed so that their ends lead to their beginnings.

Etymology

From Middle English infinite, from Old French infinit and its etymon Latin īnfīnītus, from in- (“not”) + fīnis (“end”) + the perfect passive participle ending -ītus. By surface analysis, in- + finite. Doublet of infinito. Displaced native Old English unġeendodlīċ.

Synonyms

bottomlessboundlessendlessinfinitelimitlessunbottomedunboundedunlimiteduniversal

Antonyms

finiteinfinitesimallimitednoninfiniteuninfinite

This word in other languages

infinito(Español)infini(Français)unendlich(Deutsch)

Common misspellings

Also misspelled as: ifninite,inffinite,infiinte,infiniet,infinitte,infinnite,infintie,infniite,inifnite,innfinite,nifinite

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of infinite - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

ifninite2inffinite1infiinte2infiniet2infinitte1infinnite1infintie2infniite2
Edit distance from "infinite"

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 "infinite"?
"infinite" is spelled I-N-F-I-N-I-T-E. The IPA pronunciation is /ˈɪnfᵻnɪt/.
What does "infinite" mean?
As an adjective, "infinite" means: Indefinably large, countlessly great; immense.
What words are commonly confused with "infinite"?
"infinite" is commonly confused with "infinity", "infinitely", "infinitive". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "infinite"?
The IPA (International Phonetic Alphabet) transcription for "infinite" is /ˈɪnfᵻnɪt/. 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 "infinite"?
From Middle English infinite, from Old French infinit and its etymon Latin īnfīnītus, from in- (“not”) + fīnis (“end”) + the perfect passive participle ending -ītus. By surface analysis, in- + finite. Doublet of infinito. Displaced native Old Engl... 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 “infinite”

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

  • The one correct English spelling is I-N-F-I-N-I-T-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈɪnfᵻnɪt/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “infinity” - see the side-by-side comparison. infinite vs infinity
  • Browse more English words and confusable pairs in the same reference. English words
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