Undouble is a 8 letter English word. It's valid Scrabble word worth 11 points. It's valid Words with friends word worth 16 points.
You can make 183 anagrams from letters in undouble (bdelnouu).
First recorded in 1590-1600; un-2 + double
To undouble him, that he might fit into a coffin, they had been forced to lug him to a fire and thaw him out a bit.
His gum boots screeched, the bench creaked as he began to undouble himself.