Added 10 October 2026 appallingly /ʌˈpɑlɪŋli/ adverb Categories: Describing WordsRare Words adverb ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about appallingly at Wordnik → Where our words come from → To an appalling extent. the prisoners were appallingly thin Related Words: horriblyhorrendouslyawfullyhorrificallyterriblydreadfullybadlywoefullygrosslyterrifyinglydesperatelyfrightfully Back to today's word