Loath means unwilling or extremely reluctant.
Loath is an adjective.
Synonyms: opposed, reluctant, counter, averse, disinclined.
Antonyms: eager, anxious, willing, enthusiastic.
Even honey has become loathsome to Mr.Ravi since he received nearly one hundred bee stings.
We are loath to obey any orders that appear to violate human rights.
Durga was loath to walk into the room which was full of mosquitoes.