# infantile

> English word · Adjective · IPA /ˈɪnfəntaɪl/ · frequency rank #36,190

## Definitions
1. Pertaining to infants.
2. Childish; immature.

## Etymology
Mid-15th century, "pertaining to infants," from Latin infantilis (“pertaining to an infant”), equivalent to infant + -ile, from īnfāns. Sense of "infant-like" is from 1772.

## Easily confused with
- **infertile** (https://plainspell.com/en/vs/infantile-vs-infertile)

## Common misspellings (13)
`ifnantile`, `inafntile`, `infanitle`, `infanntile`, `infantiel`, `infantille`, `infantlie`, `infanttile`, `infatnile`, `inffantile`, `infnatile`, `innfantile`, `nifantile`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/infantile