Lexical Definition

‎ὕψιστος‎ hýpsistos (hoop'-sis-tos) Highest ^G:A
superlative from the base of ‎ὕψος‎

most high, highest.

• highest, i.e. (masculine singular) the Supreme (God), or (neuter plural) the heavens

Abbott-Smith

ὕψιστος, -η, -ον superlat., without positive in use, in cl. chiefly poët. (Æsch., Soph., al.), [in LXX chiefly for עֶלְיוֹן, also for מָרוֹם, etc. ;]
highest, most high: of place, τὰ ὕ. (of the heavens), Mt 21:9, Mk 11:10, Lk 2:14 19:38 (cf. Jos 16:19, Is 57:15); of God (in cl., of Zeus; Pind., Æsch., al.), ὕ., Lk 1:32, 35, 76 6:35 (as freq. in Si 4:10, al.); ὁ ὕ., Ac 7:48; ὁ θεὸς ὁ ὕ., Mk 5:7, Lk 8:28, Ac 16:17, He 7:1 (cf. Ge 14:18).†

Abbott-Smith References

Liddell-Scott-Jones

Greek of: יְהֹוָה

ὕψιστος, η, ον,

superlative without any Posit. in use: (ὕψι, ὑψοῦ):— highest, loftiest, of places, [Refs 4th c.BC+]; ἐν τοῖς ὑ., i. e. in heaven above, [NT]

__2 of Zeus, highest, [Refs 5th c.BC+] from his temple there, [LXX+2nd c.BC+]
__3 of things, στέφανος, κέρδος, [Refs 5th c.BC+]

_{LSJ Scripture Refs: Matt.21.9 ☩ Luke.2.14 ☩ LXX.Gen.14.18 ☩ LXX.Deut.32.8}