Usage: 2 forms in 3 verses
Form Translated As     In Verse(s)
μακαριστόσ most blessed LXX.Prov.14.21LXX.Prov.16.20
μακάριστοσ is most blessed LXX.Prov.29.18

Liddell-Scott-Jones

μακαριστός (makaristos) most blessed G:A

μακαριστός-ιστός, , όν,

deemed or to be deemed happy, ἐς Ἀΐδα κατέβα πᾶσιν μ. ἰδέσθαι [Refs 5th c.BC+]: absolutely, enviable, [Refs 5th c.BC+]: comparative -ότερος [Refs 5th c.BC+]: superlative -ότατος [Refs 5th c.BC+] adverb - τῶς, διάγειν [Refs 1st c.AD+]