appalling

From Wiktionary

Adjective[change]

Positive
appalling

Comparative
more appalling

Superlative
most appalling

  1. If something is appalling, it's very bad.

Related words[change]

Verb[change]

Plain form
appall

Third-person singular
appalls

Past tense
appalled

Past participle
appalled

Present participle
appalling

  1. The present participle of appall.