The best word for Dowd, and one that comes immediately to mind, is one that ryhmes with witch, which, I guess, is also appropriate.
I saw Dowd on Booknotes (last weekend, I think). Whatever looks she once had have evaporated. Now she wears her miserable, bitter personality as a permanent feature of her face.
I caught that interview as well. She looked very sour and sad in her pitiful existance. It appeared that if she tried to smile or show some type of humor that she would explode.