diuturnal C2+ Topic:Time 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-lastingenduringdurablepersistentlastingprotracted ↔ Opposites brieffleetingtransientephemeralshort-lived Word family Derived forms diuturnity Related forms diurnal Etymology AI details 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 Time Word Formation & Derivatives External links Cambridge Dictionary Wiktionary Google Images # 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 - Time - Word Formation & Derivatives markdown