ξυνῆλθεν ἀτταγᾶς τε καὶ νουμήνιος → birds of a feather flock together, the francolin and the new-moon bird get together
adj.
P. and V. δεινός, φοβερός, φρικώδης (Dem. 644). V. δύσχιμος, ἔμφοβος, σμερδνός. With dreadful looks: V. δεινώψ; see. grim.