The term appalling refers to something that is shocking, dreadful, horrifying, or ghastly. Synonyms for this word include disturbing, alarming, offensive, sickening, terrible, and gruesome. Other similar terms encompass abominable, unspeakable, abhorrent, revolting, horrendous, and repulsive. These words convey a strong sense of disgust and revulsion towards something that is deemed unsatisfactory. Some other synonyms of the word appalling can also include atrocious, deplorable, disgraceful, and intolerable. These words express a deep sense of dismay and disapproval towards situations or conditions that have fallen below acceptable standards. The use of synonyms can help to convey an accurate and vivid description of something that is deeply unpleasant and disturbing.