tenebrous - definition and synonyms

adjective
  1.   From our crowdsourced Open Dictionary
    1
    dark; full of shadows

    Into one of these tenebrous groves the horsemen now plunged.

    Submitted from United Kingdom on 12/12/2014
  2.   From our crowdsourced Open Dictionary
    2
    obscure; hard to understand

    As the real world becomes dark, the irrationality of art is becoming rational, especially at a time when art is radically tenebrous itself.

    Submitted from United Kingdom on 12/12/2014