diuturnal

C2+ Topic:Describing Qualities

US /ˌdaɪjuˈtɝnəl/ UK /ˌdaɪjuːˈtɜːnəl/ See IPA manual

Meanings

1

adj
lasting a long time; long-continued

The treaty secured a diuturnal peace that endured for generations.

Thesaurus

Synonyms

1 adj · lasting a long time;... long-lastingenduring durable persistent lastingprotracted

Opposites

brief fleeting transient ephemeralshort-lived

Word family

Derived forms diuturnity

Related forms diurnal

Etymology

From Latin diuturnus ('lasting long'), from diu ('for a long time, by day'), related to dies ('day'), from Proto-Indo-European *dyeu- ('to shine, sky, day').

diuturnus Latin diu Latin *dyew- Proto-Indo-European

View etymology graph ->

Topics

Describing Qualities Word Formation & Derivatives

External links

# diuturnal

**Type:** Word
**Level:** C2+
**Part of speech:** adj
**IPA (US):** /ˌdaɪjuˈtɝnəl/
**IPA (UK):** /ˌdaɪjuːˈtɜːnəl/

## Meanings
1. lasting a long time; long-continued

## Examples
- The treaty secured a diuturnal peace that endured for generations.

## Synonyms
- long-lasting
- enduring
- durable
- persistent
- lasting
- protracted

## Antonyms
- brief
- fleeting
- transient
- ephemeral
- short-lived

## Derived Forms
- diuturnity

## Related Forms
- diurnal

## Roots and Affixes
- Root: diuturnus
- Root: diu
- Root: *dyew-

## Etymology
From Latin diuturnus ('lasting long'), from diu ('for a long time, by day'), related to dies ('day'), from Proto-Indo-European *dyeu- ('to shine, sky, day').

## AI Etymology
Diuturnal is from Latin diuturnus ('lasting long'), from diu ('for a long time, by day'), related to dies ('day'), from Proto-Indo-European *dyeu- ('to shine, sky, day'). Important recorded forms include diuturnus (Latin), diu (Latin), and *dyew- (Proto-Indo-European). The current sense covers lasting a long time; long-continued. The wider family includes derived forms such as diuturnity and related words such as diurnal.

## Topics
- Describing Qualities
- Word Formation & Derivatives

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