diurnal C2+ Topic:Time US /daɪˈɝnəl/ UK /daɪˈɜːnəl/ See IPA manual Meanings 1 adj active during the day; occurring or recurring daily Most songbirds are diurnal, feeding and singing in daylight hours. Thesaurus Synonyms 1 adj · active during the day;... dailydaytimequotidiancircadian ↔ Opposites nocturnalnightly Word family Derived forms diurnallydiurnality Related forms journaljourneysojourn Common collocations diurnal variation Adjective + noun Etymology AI details From Late Latin diurnalis ('daily'), from Latin diurnus ('of the day'), from dies ('day'), from Proto-Indo-European *dyeu- ('to shine, sky, day'). diurnus Latin dies Latin *dyew- Proto-Indo-European View etymology graph -> Topics Time Word Formation & Derivatives External links Cambridge Dictionary Wiktionary Google Images # diurnal **Type:** Word **Level:** C2+ **Part of speech:** adj **IPA (US):** /daɪˈɝnəl/ **IPA (UK):** /daɪˈɜːnəl/ ## Meanings 1. active during the day; occurring or recurring daily ## Examples - Most songbirds are diurnal, feeding and singing in daylight hours. ## Synonyms - daily - daytime - quotidian - circadian ## Antonyms - nocturnal - nightly ## Derived Forms - diurnally - diurnality ## Related Forms - journal - journey - sojourn ## Roots and Affixes - Root: diurnus - Root: dies - Root: *dyew- ## Etymology From Late Latin diurnalis ('daily'), from Latin diurnus ('of the day'), from dies ('day'), from Proto-Indo-European *dyeu- ('to shine, sky, day'). ## AI Etymology Diurnal is from Late Latin diurnalis ('daily'), from Latin diurnus ('of the day'), from dies ('day'), from Proto-Indo-European *dyeu- ('to shine, sky, day'). Important recorded forms include diurnus (Latin), dies (Latin), and *dyew- (Proto-Indo-European). The current sense covers active during the day; occurring or recurring daily. The wider family includes derived forms such as diurnally and diurnality and related words such as journal, journey, and sojourn. ## Topics - Time - Word Formation & Derivatives markdown