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Added 28 September 2026

luminous

/ˈluː.mɪ.nəs/ adjective

In Latin: lūminōsus Wiktionary

adjective Definition written for WordofTheDay.US. More about luminous at Wordnik → Where our words come from →

Full of or shedding light; bright or shining, especially in the dark.
The jellyfish tank glowed with a luminous blue light.

Origin

Borrowed from Middle French lumineus, from Latin lūminōsus.

From Wiktionary, via Kaikki.org (CC BY-SA)

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