| Adj. | 1. | weakened - impaired by diminution |
| 2. | weakened - made weak or weaker | |
| 3. | weakened - reduced in strength; "the faded tones of an old recording" | |
| 4. | weakened - mixed with water; "sold cut whiskey"; "a cup of thinned soup" | |
| 5. | weakened - used of inanimate objects or their value Synonyms: hurt |