Word not found in any official scrabble dictionaries.
"Rethe" Definition
adjective
(of persons) fierce; cruel; savage; stern; zealous; ardent; keen.
Source: Wiktionary
(of things) terrible; dreadful; severe.
Source: Wiktionary
adverb
Furiously; violently; wildly.
Source: Wiktionary
Fierce, cruel, stern, zealous: said of persons.
Source: Century Dictionary
Terrible; dreadful: said of things.
Source: Century Dictionary