consume

eat immoderately; "Some people can down a pound of meat in the course of one meal"

serve oneself to, or consume regularly; "Have another bowl of chicken soup!"; "I don't take sugar in my coffee"

spend extravagantly; "waste not, want not"

destroy completely; "The fire consumed the building"

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"

engage fully; "The effort to pass the exam consumed all his energy"