Luminous
adjective /ˈluːmɪnəs/ — Glowing with quiet radiance.
Definition
Emitting or reflecting bright light; also used to describe an intelligence or presence that seems to glow from within.
Beyond the definition
A word that works equally well for a full moon, a gifted mind, and the right paragraph in a novel. It describes not just light, but the quality of radiating something outward.
Origin & history
From Latin lumen — light, lamp, eye.
Example sentences
Illustrative sentences for learning, not verified community posts or sourced quotations.
Her luminous eyes caught everyone's attention the moment she entered.
The novel's luminous prose stayed with readers long after the last page.
A luminous full moon hung low over the still water.
Synonyms
Antonyms
dim, dull, opaque
Related words
Luminous vs radiant
Luminous describes something producing or reflecting light; it does not require an internal light source. Radiant emphasizes light or energy spreading outward and can also describe visible happiness. The words overlap: a face can be luminous or radiant, depending on the writer’s emphasis.
Compare this word
Word in the Wild
See how this word appears in life, language and stories.
Illustrative sentences and imagined stories for learning — not verified sightings, interviews, or sourced quotations.
Fictional scene
Prism casting light through library
A glowing glass prism scatters rainbows across old maps on a desk, capturing light within a scholarly, cluttered environment.
The prism acts as a source of internal and reflected light, mirroring the word's dual meaning of physical brightness and the glowing presence of an insightful, internal intelligence illuminating a complex subject.
Image credit: Wordspun · AI-generated conceptual illustration