"ungratefulness" in German ungratefulness Undank Undankbarkeit Detailed translations for "ungratefulness" ungratefulness ungratefulness(also: ingratitude) der Undank{masculine} ungratefulness(also: ingratitude, thanklessness, unthankfulness) die Undankbarkeit{feminine} English synonyms for "ungratefulness" ungratefulness {n} ingratitude