WordWeb Online

1. Make full, also in a metaphorical sense
   "fill up a container";
   - fill, make full
    
2. Become full
   "The theatre filled up slowly";
   - fill
    
3. Fill or stop up
   "Can you fill up the cracks with caulking?";
   - close
    
4. Eat until one is sated
   "He filled up on turkey";
   - fill

Derived forms: filled up, fills up, filling up

Type of: alter, change, change state, eat, fill, modify, turn