Bad
makeshift - Improvised and usually crude – serving a purpose in the short term but lacking durability or quality.
oppressive - Unjustly harsh or tyrannical, especially in the use of power or control.
mar - To cause a flaw or imperfection — to damage or spoil the appearance or quality of something — to make something less perfect or attractive.
no-no - Something that is not allowed or is strongly discouraged.
mischief - Behavior that causes minor damage or annoyance, especially by children or animals.
nebulous - Unclear, vague, or ill-defined — lacking definite form or limits.
outbreak - A sudden start or increase of something harmful, especially a disease or conflict.
negligible - So small or unimportant that it can be ignored or doesn't have a noticeable effect; insignificant in amount, size, or impact — too minor to be worth considering.
nosedive - A sudden, steep drop, a sharp decline in condition, success, or stability.
malfunction - A failure to function properly – when a machine or system doesn’t work as intended.
ostracize - To banish someone socially, making them feel isolated or unwanted.
maniac - Someone who is mentally ill tending towards violent and dangerous behavior.