adjective · Easy SAT word

    Luminous

    glowing; softly bright or radiant

    Luminous in a sentence

    Her luminous smile brightened the entire room.

    Synonyms for luminous

    • glowing
    • bright
    • shining

    Antonyms for luminous

    • dark
    • dim
    • dull

    Practice luminous on real SAT questions

    Vocabulary like luminous appears on the Digital SAT in Words-in-Context questions, where you choose the word that fits a passage's meaning and tone. You can also drill this word with vocabulary flashcards.

    Related SAT vocabulary

    SAT® is a trademark registered by the College Board, which is not affiliated with, and does not endorse, this product.