COOL WORDS FOR TODAY

I'm reading a book, "Of Love and Other Demons," and I love the language that is used. Here are just a few words that I enjoy from page 20.
  1. Frivolous
    not having any serious purpose or value.
  2. Treatises
    written work dealing formally and systematically with a subject.
  3. Ennui
    a feeling of listlessness and dissatisfaction arising from a lack of occupation or excitement.
  4. Bustling
    moving in an energetic or noisy manner.