Ugsome is a 6 letter English word. It's valid Scrabble word worth 9 points. It's valid Words with friends word worth 12 points.
You can make 84 anagrams from letters in ugsome (egmosu).
1350-1400; Middle English, equivalent to ugg(en) to fear, cause loathing (Old Norse ugga to fear, dread; cf. ugly) + -some -some1
I found my Vivien full sick, and a weariful and ugsome time had I with her ere she recovered of her malady.
At all events, the statute literally recites the “ugsome oaths” that are used by the old versifier.