Words to Describe derailment

How derailment often is described ("________ derailment")

• moral
• such
• bad
• sudden
• inevitable
• unusual
• therapeutic
• spiritual
• emotional
• temporary
• accidental
• imminent
• potential
• psychic
• catastrophic
• permanent
• speed
• total
• minor
• serious
• second
• initial
• eventual
• executive
• further
• disastrous
• induced
• frequent
• occasional
• psychological
• impending
• actual
• mental
• consequent
• recent
• first
• spectacular
• fatal
• possible
• educational
• managerial
• tragic
• complete
• alleged
• early
• severe
• subsequent
• final
• major
• developmental