'Weakened' definitions:

Definition of 'weakened'

(from WordNet)
adjective
Impaired by diminution [syn: diminished, lessened, vitiated, weakened]
adjective
Made weak or weaker
adjective
Reduced in strength; "the faded tones of an old recording" [syn: attenuate, attenuated, faded, weakened]
adjective
Mixed with water; "sold cut whiskey"; "a cup of thinned soup" [syn: cut, thinned, weakened]
adjective
Damaged inanimate objects or their value [syn: hurt, weakened]

Definition of 'Weakened'

From: GCIDE
  • Weaken \Weak"en\, v. t. [imp. & p. p. Weakened; p. pr. & vb. n. Weakening.] [1913 Webster]
  • 1. To make weak; to lessen the strength of; to deprive of strength; to debilitate; to enfeeble; to enervate; as, to weaken the body or the mind; to weaken the hands of a magistrate; to weaken the force of an objection or an argument. [1913 Webster]
  • Their hands shall be weakened from the work, that it be not done. --Neh. vi. 9. [1913 Webster]
  • 2. To reduce in quality, strength, or spirit; as, to weaken tea; to weaken any solution or decoction. [1913 Webster]

Synonyms of 'weakened'

From: Moby Thesaurus