Nightmarious

//ˌnaɪtˈmɛəɹi.əs// adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Having the qualities of a nightmare. rare

    "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."

Example

More examples

"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."

Etymology

From nightmare + -ious.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.