loathsome
1. [ adjective ] causing or able to cause nausea
Synonyms: nauseous noisome offensive sickening vile nauseating
Examples:

"a nauseating smell" "nauseous offal" "a sickening stench"

Related terms: unwholesome
2. [ adjective ] highly offensive; arousing aversion or disgust
Synonyms: foul disgusting repelling skanky loathly repellant repellent revolting distasteful wicked yucky disgustful
Examples:

"a disgusting smell" "distasteful language" "a loathsome disease" "the idea of eating meat is repellent to me" "revolting food" "a wicked stench"

Related terms: offensive
3. [ adjective ] highly offensive; arousing aversion or disgust
Synonyms: foul disgusting revolting yucky loathly repellent repellant wicked distasteful disgustful
Examples:

"a disgusting smell" "distasteful language" "a loathsome disease" "the idea of eating meat is repellent to me" "revolting food" "a wicked stench"

Related terms: offensive