φίλτατος
From LSJ
Ὅρκον δὲ φεῦγε καὶ δικαίως κἀδίκως (κἂν δικαίως ὀμνύῃς) → Iurare fugias, vere, falso, haud interest → Zu schwören meide, gleich ob richtig oder falsch
English (LSJ)
η, ον, irreg. Sup. of φίλος, mostly poet., Il.6.91, al., Pi.P.9.98, A.Th.16, Ar.Ach.885, etc.; τὰ φ.
A one's nearest and dearest, v. φίλος 1.1c; οἱ φ. A.Ch.234; less freq. in Prose, Pl.Prt.314a, Grg.513a, Lg.650a, X.Cyr.4.3.2, etc.; τὰ φ. σώματα, opp. τοὺς ἀλλοτρίους, Aeschin.3.78; cf. φίντατος.
German (Pape)
[Seite 1289] superl. zu φίλος, Hom. u. Hes., s. φίλος.