Verb
1. eat immoderately;
"Some people can down a pound of meat in the course of one meal"2. serve oneself to, or consume regularly;
"Have another bowl of chicken soup!""I don't take sugar in my coffee"3. spend extravagantly;
"waste not, want not"4. destroy completely;
"The fire consumed the building"5. use up (resources or materials);
"this car consumes a lot of gas""We exhausted our savings""They run through 20 bottles of wine a week"6. engage fully;
"The effort to pass the exam consumed all his energy"