immature

C2+ Topic:Describing Qualities

US /ˌɪməˈtʊr/ UK /ˌɪməˈtjʊə/ See IPA manual

adj

Meanings

1

adj
not fully developed; childish in behavior

His immature pranks annoyed the rest of the office.

Thesaurus

Synonyms

1 adj · not fully developed;... undeveloped childish juvenile unripe callow puerile

Opposites

mature adult ripe developed seasoned

Word family

Derived forms immaturelyimmaturityimmatureness

Related forms mature maturity premature

Etymology

From Latin immaturus ('unripe, untimely'), from in- ('not') + maturus ('ripe, timely').

immaturus Latin maturus Latin

View etymology graph ->

Topics

Describing Qualities

# immature

**Type:** Word
**Level:** C2+
**Part of speech:** adj
**IPA (US):** ˌɪməˈtʊr
**IPA (UK):** ˌɪməˈtjʊə

## Meanings
1. not fully developed; childish in behavior

## Examples
- His immature pranks annoyed the rest of the office.

## Synonyms
- undeveloped
- childish
- juvenile
- unripe
- callow
- puerile

## Antonyms
- mature
- adult
- ripe
- developed
- seasoned

## Derived Forms
- immaturely
- immaturity
- immatureness

## Related Forms
- mature
- maturity
- premature

## Roots and Affixes
- Root: immaturus
- Root: maturus
- Affix: im- - not

## Etymology
From Latin immaturus ('unripe, untimely'), from in- ('not') + maturus ('ripe, timely').

## AI Etymology
Immature is from Latin immaturus ('unripe, untimely'), from in- ('not') + maturus ('ripe, timely'). In present-day use, it means not fully developed; childish in behavior. Derived formations include immaturely, immaturity, and immatureness. Related vocabulary includes mature, maturity, and premature.

## Topics
- Describing Qualities

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