There are many kinds of defination about faith out in the world.

1.
Confidence or trust in a person or thing: faith in another's ability.
2.
Belief that is not based on proof.
3.
Belief in God or in the doctrines or teachings of religion.
4.
Belief in anything, as a code of ethics, standards of merit.
5.
A system of religious belief.
6.
The obligation of loyalty or fidelity to a person, promise, engagement.
7.
The observance of this obligation; fidelity to one's promise, oath, allegiance.
8.
Christian Theology. The trust in God and in His promises as made through Christ and the Scriptures by which humans are justified or saved.

These are found in dictionary.com
But how about your own defination of your faith?
Today Pastor preached a sermon about Real Faith.
Naturally, most christians when refered to faith and the bible will turn to the Book of James.
Understanding my own limited faith that I had in my God made me knew how deep I had gone into His words after all these years.