Loath'ly (lōth'lȳ) adverb 1. Unwillingly; reluctantly. « This shows that you from nature loathly stray.» Donne. 2. (lō&thlig;'lȳ) So as to cause loathing. [ Obsolete] « With dust and blood his locks were loathly dig... Found on http://www.encyclo.co.uk/webster/L/53