ματαιάζω No short definition found for ματαιάζω Morpho works with a static database. If you like, you can compare the output of Morpheus.No parse information found. Search for this form in Logeion: of ματαιάζω ματαιάζω Present Active participle · Plural Masculine Nominative – Genitive – Dative ματαιάζουσιν Accusative – Vocative –