infantine

adj

"infantine" is a 9-letter English headword indexed on PlainSpell.

The verdict

“infantine” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Infantile; childish.

Corpus desk

Index EN-infantine · infantine · English

infantine · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "I" thin
  • PHOTO-UNK Peer pending

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.

Key facts for infantine
PropertyValue
Headwordinfantine
LanguageEnglish
Part of speechAdjective
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “infantine” in English

infantinefalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

infantine is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Infantile; childish.".

infantine doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. Our dataset records no confusable match here, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From French infantin, variant of enfantin. The correct English form is infantine, spelled I-N-F-A-N-T-I-N-E.

Definition

  1. 1
    Infantile; childish.

Recorded use

Wiktionary examples

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

  1. Man, because he could not but acknowledge the majesty of Nature, fell into childish exultation at his acquired and still-increasing dominion over her elements. Even while he stalked a God in his own fancy, an infantine imbecility came over him.
  2. I saw Peggy with the infantine procession at her tail, marching with great dignity towards the stall of a neighbouring lollipop-woman.

Etymology

From French infantin, variant of enfantin.

Synonyms

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "infantine"?
"infantine" is spelled I-N-F-A-N-T-I-N-E.
What does "infantine" mean?
As an adjective, "infantine" means: Infantile; childish.
What is the origin of the word "infantine"?
From French infantin, variant of enfantin. 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.

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

Source: FrequencyWords open word-frequency list