weakened

The adjective has 5 meanings:

Meaning #1: impaired by diminution
  Synonyms: diminished, lessened, vitiated

Meaning #2: made weak or weaker

Meaning #3: reduced in strength
  Synonyms: attenuate, attenuated, faded

Meaning #4: mixed with water
  Synonyms: cut, thinned

Meaning #5: used of inanimate objects or their value
  Synonym: hurt