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Verb: fill up
  1. Make full, also in a metaphorical sense
    "fill up a container";
    - fill
  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: filling up, filled up, fills up

See also: fatten, fill in

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

Antonym: empty