1. Not proud or haughty. Not arrogant or assertive.
  2. Reflecting, expressing, or offered in a spirit of deference or submission.
  3. Ranking low in a hierarchy or scale.
  4. Not costly or luxurious.
  5. (verb) To make someone humble in spirit or manner.
  6. (verb) To destroy the power, independence, or prestige of.

The emotion of Humble is found in the Gall Bladder meridian in the Wood element.

Definition from Dictionary by Merriam-Webster.