Vine's Expository Dictionary of NT Words 
primarily signifies "low-lying." It is used always in a good sense in the NT, metaphorically, to denote (a) "of low degree, brought low," Luke 1:52; Romans 12:16 , AV, "(men) of low estate," RV, "(things that are) lowly" (i.e., of low degree); 2—Corinthians 7:6 , AV, "cast down," RV, "lowly;" the preceding context shows that this occurrence belongs to (a); James 1:9 , "of low degree;" (b) humble in spirit, Matthew 11:29; 2—Corinthians 10:1 , RV, "lowly," AV "base;" James 4:6; 1—Peter 5:5 . See Base , Cast , Note (7), Degree (Note), Lowly.
"humble-minded" (phren, "the mind"), 1—Peter 3:8; see Courteous.
akin to A, signifies "to make low," (a) literally, "of mountains and hills," Luke 3:5 (Passive Voice); (b) metaphorically, in the Active Voice, Matthew 18:4; 23:12 (2nd part); Luke 14:11 (2nd part); 18:14 (2nd part); 2—Corinthians 11:7 ("abasing"); 12:21; Philippians 2:8; in the Passive Voice, Matthew 23:12 (1st part), RV, "shall be humbled," AV, "shall be abased;" Luke 14:11 (ditto); 18:14 (ditto); Philippians 4:12 , "to be abased;" in the Passive, with Middle voice sense, James 4:10 , "humble yourselves;" 1—Peter 5:6 (ditto). See Abase , LOW (to bring).
King James Dictionary 
HUM'BLE, a. L. humilis.
1. Low opposed to high or lofty.
Thy humble nest built on the ground.
2. Low opposed to lofty or great mean not magnificent as a humble cottage.
A humble roof, and an obscure retreat.
3. Lowly modest meek submissive opposed to proud,haughty, arrogant or assuming. In an evangelical sense, having a low opinion of one's self, and a deep sense of unworthiness in the sight of God.
God resisteth the proud, but giveth grace to the humble. James 4 .
Without a humble imitation of the divine author of our blessed religion, we can never hope to be a happy nation.
HUM'BLE, To abase to reduce to a low state. This victory humbled the pride of Rome. The power of Rome was humbled, but not subdued.
1. To crush to break to subdue. The battle of Waterloo humbled the power of Buonaparte. 2. To mortify. 3. To make humble or lowly in mind to abase the pride of to reduce arrogance and self-dependence to give a low opinion of one's moral worth to make meek and submissive to the divine will the evangelical sense.
Humble yourselves under the mighty hand of God, that he may exalt you. 1 Peter 5
Hezekiah humbled himself for the pride of his heart. 2 Chronicles 32 .
4. To make to condescend.
He humbles himself to speak to them.
5. To bring down to lower to reduce.
The highest mountains may be humbled into valleys.
6. To deprive of chastity. Deuteronomy 21 .
To humble one's self, to repent to afflict one's self for sin to make contrite.
Webster's Dictionary 
(1): ( superl.) Near the ground; not high or lofty; not pretentious or magnificent; unpretending; unassuming; as, a humble cottage.
(2): ( a.) Hornless. See Hummel.
(3): ( v. t.) To bring low; to reduce the power, independence, or exaltation of; to lower; to abase; to humilate.
(4): ( v. t.) To make humble or lowly in mind; to abase the pride or arrogance of; to reduce the self-sufficiently of; to make meek and submissive; - often used rexlexively.
(5): ( superl.) Thinking lowly of one's self; claiming little for one's self; not proud, arrogant, or assuming; thinking one's self ill-deserving or unworthy, when judged by the demands of God; lowly; waek; modest.