Disastrous - Leading to a complete failure or disaster, causing great damage or suffering

fester - For negative feelings to get worse because they are not being dealt with

Perish - To cease to exist or come to an end; disappear or be destroyed.

Plague - A persistent trouble or source of distress, often something that causes great suffering or difficulty.

reckless - Acting without thinking about the consequences, often in a dangerous or irresponsible manner.

Lethal - Capable of causing death; deadly or fatal.

Crack - A line on the surface of something where it has split without breaking apart.

tailspin - A rapid loss of control, a state of confusion, panic, or chaos, a sudden and dramatic decline or failure.

slip - To lose balance and slide or fall accidentally.

precipice - A very sleep side of a cliff or a mountain.

peril - Serious and immediate danger

caustic - Sarcastic or severely critical, often in a hurtful or biting manner; or able to burn or corrode organic tissue, typically referring to chemicals or substances.