nightmarious

comparative more nightmarious · superlative most nightmarious

1. rareHaving the qualities of a nightmare.

   It was a nightmarious experience.

   1922, G.B.Arthur, “Stay off the Pike”, in Motor Life Including Motor Print - Volume 17 - Page 42

   1 more example

   And they fell in showers from the purple bougainvillaea which trailed its length over the wrought arch above the gate, of which one half swung back by the hand of the biggest, blackest man ever dreamed of in nightmarious slumber.

   1920, Joan Conquest, Desert Love, page 137

   Synonyms: nightmarish