Definition of somniferous in English:



  • Tending to induce sleep; soporific.

    ‘lifeless actors made the experience even more somniferous for the audiences’
    • ‘They all indulge in their familiar, somniferous spiels.’
    • ‘This book helps put aside what the late Prof. Takaaki Aikawa described as the ‘somniferous romanticism’ with which the Westerner approaches Japanese studies.’
    • ‘In somniferous mumbles, he reads aloud the entire song.’
    • ‘Elsewhere, Sleep, one of the album's stand out tracks, is about as somniferous as a pneumatic drill.’
    • ‘His room is equipped with a window-mounted air conditioner - a welcome antidote to high heat indexes and, in Urlacher's case, a somniferous aid.’
    mesmerizing, mesmeric, spellbinding, entrancing, bewitching, fascinating, irresistible, compelling


Early 17th century from Latin somnifer (from somnium ‘dream’) + -ous.