severe; punishingly bad | having undesirable or negative qualities |
| feeling or expressing regret or sorrow or a sense of loss over something done or undone |
| reproduced fraudulently |
| characterized by wickedness or immorality |
| capable of harming |
| 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 |