Thank you for this excellent question. It is quite refreshing when someone is interested in learning how to find the biblical definitions for Bible words. I personally believe that this process is one of several layers. For example, one method may work for one word and not work at all for another word.
What is your method for finding definitions of biblical words? For example, the difference between "accursed" and "cursed" and the difference between "lucre" and "money". I have a Strong's concordance and also Webster's 1828. I don't think that going back to the original Hebrew and Greek is necessary. I know that the English of the KJV is correct; but, sometimes, isn't getting to the "root" of the word necessary?