Definition: The word "alacrious" comes from Greek and means "very eager to do," "ready with great zeal, ardor, or enthusiasm," and "quick to act." It's used figuratively to describe someone who is enthusiastic about a particular cause or idea. In the context of the Bible, it refers to someone who is dedicated, full of passion, and willing to do whatever it takes to achieve something. The term can also refer to someone who is quick-witted, able to act quickly, or possess great courage and strength.