Lexical Definition

‎ταπεινόω‎ tapeinóō (tap-i-no'-o) to humble ^G:V
from ‎ταπεινός‎

abase, bring low, humble (self).

• to depress
• figuratively, to humiliate (in condition or heart)

Abbott-Smith

ταπεινόω, -ῶ (< ταπεινός), [in LXX chiefly for עָנָה, also for שָׁפֵל, כָּנַע, etc. ;]
to make low: ὄρος (βουνόν), Lk 3:5 (LXX). Metaph., to humble, abase: Mt 18:4 23:12, Lk 14:11 18:14, II Co 11:7 12:21, Phl 2:8; pass., Mt 23:12, Lk 14:11 18:14, Phl 4:12; id. with mid. sense, Ja 4:10, I Pe 5:6.†

Abbott-Smith References

Liddell-Scott-Jones

ταπεινόω-όω,

lower, in point of height, reduce, σπλῆνα (swollen spleen) [Refs 1st c.AD+]:—passive, πᾶν ὄρος ταπεινωθήσεται [LXX+5th c.BC+]; of a plant, decrease in size, [Refs 4th c.BC+]; of rivers, [Refs 1st c.BC+]; Astrology texts, of a planet, suffer dejection, [Refs 2nd c.AD+]

__II metaphorically, lessen, τὸν φθόνον [Refs 5th c.BC+]; disparage, minimize, [Refs 2nd c.BC+]:—passive, to be lowered or lessened, [Refs 5th c.BC+]
__II.2 humble, abase, [Refs 5th c.BC+]:—passive, ταπεινωθεὶς ἕπεται [Refs 5th c.BC+]
__II.2.b violate a woman, [LXX]
__II.3 in moral sense, make lowly, humble, ἑαυτόν [NT+1st c.BC+]:—passive, humble oneself, τὴν θεὸν ἐξιλάσαντο τῷ ταπεινοῦσθαι σφόδρα [NT+4th c.BC+]
__II.4 especially of fasting or abstinence, θεοῦ ᾧ πᾶσα ψυχὴ ἐν τῇ σήμερον ἡμέρᾳ (i.e. on a fast-day) ταπεινοῦται μεθ᾽ ἱκετείας [Refs 2nd c.AD+]; ἐὰν ψυχὴν τεταπεινωμένην ἐμπλήσῃς feed the hungry, [LXX]; οἶδα ταπεινοῦσθαι, opposed to περισσεύειν, [NT]

_{LSJ Scripture Refs: LXX.Isa.40.4 ☩ LXX.Gen.34.2 ☩ LXX.2Kgs.13.12 ☩ LXX.Ezek.22.10 ☩ Matt.23.12 ☩ LXX.Gen.16.9 ☩ 1Pet.5.6 ☩ LXX.Isa.58.10 ☩ LXX.Lev.23.27 ☩ Phil.4.12}