having undesirable or negative qualities | not qualified or suited for a purpose |
feeling or expressing regret or sorrow or a sense of loss over something done or undone | legally not qualified or sufficient |
reproduced fraudulently | not doing a good job |
characterized by wickedness or immorality | not meeting requirements |
capable of harming | showing lack of skill or aptitude |
below average in quality or performance | |
serious or severe | |
not capable of being collected | |
not working properly | |
nonstandard | |
(of foodstuffs) not in an edible or usable condition | |
feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad') | |
physically unsound or diseased | |
not financially safe or secure | |