ὑπαπειλέω ὑπαπειλέω, to threaten underhand 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 ὑπαπειλέω Search the corpus for this form only: ὑπαπειλέω ↗ ὑπαπειλέω Present Active participle · Plural Masculine Nominative ὑπαπειλοῦντες Genitive – Dative – Accusative – Vocative –