Webster's Revised Unabridged Dictionary · 1913

Loathly

Loathly (lōt"ly) , adjective

[Anglo-Saxon lāelic.]

Loathsome. [Obsolete]
Loathly mouth. — Spenser

Loathly (lōth"ly) , adverb

1.
Unwillingly; reluctantly.
This shows that you from nature loathly stray. — Donne
2.
So as to cause loathing. [Obsolete]
With dust and blood his locks were loathly dight. — Fairfax