δειναί (deinai)

δειναί is an Ancient Greek form of δεινός, meaning “terrible, fearful; clever, formidable”. It is the nominative plural feminine adjective.

Found 30 times in the Ancient Greek texts on Socratos.

Where it is used

Apollonius Rhodius, Argonautica 4.787: πέτρας, ἔνθα πάρος δειναὶ βρομέουσι θύελλαι,

Euripides, Medea 198: δειναί τε τύχαι σφάλλουσι δόμους.

All forms of δεινός (declension table)

Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.