1 devour, eat (up), gulp (down), swallow, drink (up), put away, gobble (up); digest:
When those teenagers come home, they consume everything in sight.
2 use up, exhaust, deplete, drain, expend, diminish, reduce:
The new car has consumed all our savings.
3 waste, occupy, squander, fritter away, dissipate, absorb, lose, throw away, lavish, Slang blow:
Too much of your time has already been consumed by that problem.
4 destroy, ruin, (lay) waste, demolish, wreck, gut, raze, Slang US and Canadian total:
Fire consumed the entire house.
5 overcome, overwhelm, devastate, destroy, annihilate, ravage, (lay) waste, wear out, ruin, eat up, devour, do in; preoccupy, obsess:
He is consumed by jealousy.