
verunglückt
injured in an accident
Describing the state of having suffered an accident, often resulting in injury or death.
Der verunglückte Bergsteiger wurde mit dem Helikopter gerettet.
The injured mountaineer was rescued by helicopter.
injured in an accident / botched
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injured in an accident
Describing the state of having suffered an accident, often resulting in injury or death.
Der verunglückte Bergsteiger wurde mit dem Helikopter gerettet.
The injured mountaineer was rescued by helicopter.

botched
Used figuratively for something that has failed, been done badly, or gone wrong.
Sein Versuch, einen Witz zu machen, war ziemlich verunglückt und niemand lachte.
His attempt to make a joke was pretty botched, and no one laughed.
'Verunglückt' (injured in an accident / botched) is the past participle of the verb 'verunglücken' (to have an accident). It is used as an adjective to describe a person, a vehicle, or also a thing that is the result of an accident or a failure.
Das verunglückte Schiff sank innerhalb weniger Minuten.
The wrecked ship sank within a few minutes.
In the literal meaning, 'verunglückt' (injured in an accident) usually stands directly before a noun. It then describes the person or vehicle that had the accident: 'der verunglückte Fahrer' (the driver injured in the accident), 'das verunglückte Auto' (the car involved in the accident).
Die Rettungskräfte kümmerten sich um die verunglückten Passagiere.
The rescue workers took care of the injured passengers.
You can recognize the figurative meaning 'misslungen' (failed / unsuccessful) when the word does not refer to a real accident involving people or vehicles. Instead, it describes abstract things such as a joke, an attempt, a formulation, or an evening.
Seine Entschuldigung klang verunglückt und unehrlich.
His apology sounded botched and insincere.
failed / unsuccessful
Both adjectives can describe a plan or result as unsuccessful. „Missglückt“ directly indicates that the execution or attempt was not successful. In this figurative use, „verunglückt“ sounds more strongly judgmental and often more vivid. Use „missglückt“ in an objective context and „verunglückt“ when the poor design is particularly noticeable.

Die neue Werbekampagne wirkt wegen ihrer widersprüchlichen Bilder völlig verunglückt.
The new advertising campaign seems completely botched because of its contradictory images.
Der erste Versuch, die Werbekampagne zu erklären, ist missglückt.
The first attempt to explain the advertising campaign was unsuccessful.