気味悪く の訳語→ apprehension ghostly gruesome ominously sinister unnaturally
不気味な の訳語→ depressing dismal eerie fantastic formidable haunted monstrous oracular spooky unhealthy weird weirdo
不気味なほど の訳語→ disturbingly frighteningly hideously unpleasantly
不気味に の訳語→ alive ghastly luridly weirdly