Spookiest, the Most Peculiar or Unnerving

This page is the CodyCross answer for the clue below from Architectural Styles, Group 1172, Puzzle 1 (Roman Colosseum).

Question is: Spookiest, the Most Peculiar or Unnerving

and the answer is: EERIEST

Word Meaning:

EERIEST — superlative form of eerie: most eerie

Definitions from Wiktionary.