To run away, especially when due to lack of courage.
To suppress an action or expression, especially when due to lack of courage.
To lose one's nerve.
To fail, especially socially or for political reasons.
To demolish, to pull down. (intentionally)
To divide into parts to give more details, to provide a more indepth analysis of.
To (cause to) decay, to decompose.
To cease to function. (others)
To stop functioning. (machine, computer, vehicle)
To give in, relent, concede, or surrender.
To render or to become weak and ineffective.
To digest.
To render or to become unstable due to stress, to collapse physically or mentally.
To collapse, physically or in structure. (unexpectedly)