unnameable

/ʌnˈneɪməbəl/
adjective
  1. Alternative spelling of unnamable; impossible or very difficult to name or describe.
    • He carried an unnameable guilt that haunted him for years.
    • The creature in the story was an unnameable horror from beyond the stars.
    • The scent was unnameable, a mix of old books and wildflowers.
Antonyms
What does "unnameable" mean? | whatsthatwordmean | whatsthatwordmean