Caliginous is a 10 letter English word. It's valid Words with friends word worth 18 points.
You can make 614 anagrams from letters in caliginous (acgiilnosu).
1540-50; Latin cālīginōsus misty, equivalent to cālīgin- (stem of cālīgō) mist + -ōsus -ous
After descending a dark set of stairs, you enter a caliginous club straight out of West Hollywood.
We see Lauren, covered in sweat, dancing nervously in the middle of a smoky, caliginous, gay S&M club.
Inside the caliginous lounge, there are lasers illuminating walls covered in graffiti, and staffers donning masquerade masks.