consume in WordNet English dictionary

1. engage fully
   "The effort to pass the exam consumed all his energy"
   consume 
   
2. serve oneself to, or consume regularly
   "Have another bowl of chicken soup!"; "I don't take sugar in my coffee"
   consume  ingest  take in  take  have 
   
3. 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"
   consume  eat up  use up  eat  deplete  exhaust  run through  wipe out 
   
4. spend extravagantly
   "waste not, want not"
   consume  squander  waste  ware 
   
5. eat immoderately
   "Some people can down a pound of meat in the course of one meal"
   devour  down  consume  go through 
   
6. destroy completely
   "The fire consumed the building"
   consume