1. causing intense dislike, disgust, or hatred; extremely offensive or repulsive
Usage: common in formal and literary contexts; note: standard spelling is 'loathsome' (not 'lothsome')

Examples

• The loathsome smell from the garbage dump made everyone nearby feel sick.
• She found his loathsome behavior toward animals completely unacceptable.
• The loathsome conditions in the old prison shocked the inspectors.
• He expressed a loathsome attitude toward people different from himself.
• The loathsome creature crawled across the damp cave floor.
• Many found the loathsome remarks in his speech deeply offensive.