Tartarean

[ tahr-tair-ee-uh n ]

/ tɑrˈtɛər i ən /

of or relating to Tartarus; infernal.

Origin of Tartarean

1615–25; < Latin Tartare(us) of Tartarus (see -eous) + -an

Don Pedro, you will oblige my weakness by not mentioning that man;—his name is Tartarean, unfit for polite lips.

Westward Ho! |Charles Kingsley
Some say this Tartarean conqueror was called Timour or Temur-chi, and his origin is wrapt in mystery.

Ancient Chinese account of the Grand Canyon, or course of the Colorado |Alexander M'Allan
Dost thou soothe the Elysian groves with thy tender song, or dost thou dwell upon a Tartarean Helicon?

Petrarch's Letters to Classical Authors |Francesco Petrarca
The Tartarean part of the story is, in fact, post-Aeschylean.

Suppliant Maidens and Other Plays |AEschylus

The night outside is Tartarean, certainly, but within there is nothing but light, music and mirth.

Chronicles of Dustypore |Henry Stewart Cunningham

Tartarean

/ (tɑːˈtɛərɪən, -ˈtɑːrɪ-) /

literary of or relating to Tartarus; infernal