20 “He that sacrificeth unto any god, save unto the LORD only, he shall be utterly destroyed.”
What does the word "sacrifice" mean?
According to the dictionary, it is to burn something in honor of a god.
Bing also describes it thus: to give up (something important or valued) for the sake of other considerations. "working hard doesn't mean sacrificing your social life"
When your mother decides to give up her day off in order to give you a birthday party, that is a sacrifice.
When you give up going to church in order to watch the superbowl, that is a sacrifice.
When you make sacrifices, you are telling God what is most important to you. When you decide that something is more important than He is, then you are worshipping "other gods".
The New Testament calls for us all to be "living sacrifices" to God. That means all we do should be to glorify God, every minute of every day of our lives.
“I beseech you therefore, brethren, by the mercies of God, that ye present your bodies a living sacrifice, holy, acceptable unto God, which is your reasonable service.”