Main Entry: loath·some

Pronunciation: \ˈlōth-səm, ˈlōth-\

Function: adjective

Etymology: Middle English lothsum, from loth evil, from Old English lāth, from lāth, adjective

Date: 14th century

: giving rise to loathing : disgusting

— loath·some·ly adverb

— loath·some·ness noun