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Luminous

easyPositive tone

LOO-mih-nus

adjective

Definition

giving off light; bright or brilliant (often figuratively, of intellect)

Memory hook

LUMINOUS contains 'lumin' like a 'lumen' (the unit of light). Picture a glowing jellyfish lighting up the whole dark ocean.

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Word roots

lumenlight(Latin)

Learning roots unlocks whole word families. Study common GRE root words.

Examples

The luminous dial of the watch glowed faintly in the dark cabin.
Her luminous prose lit up an otherwise dry academic anthology.

Test yourself

Fill in the blank with the right word:

The ______ dial of the watch glowed faintly in the dark cabin.
Show answer

luminous

Synonyms

radiantglowingbrilliantincandescent

Antonyms

dimdulldarkmurky

Categories

View all Light words

GRE Tip

Luminous is a easy-difficulty GRE word. On the GRE, you might see it paired with synonyms like "radiant" or "glowing" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "dim".

Read: How to Memorize GRE Words That Actually Stick

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