This is the 15447th most frequent German word.
versehentlich
Accidentally; by mistake.
Here, 'versehentlich' is used to describe an unintentional action that led to an error.
Ich habe versehentlich den falschen Knopf gedrückt.
I accidentally pressed the wrong button.
In this sentence, 'versehentlich' indicates that the breaking of the glass was not deliberate.
Er hat versehentlich das Glas zerbrochen.
He accidentally broke the glass.
The usage of 'versehentlich' demonstrates an unplanned or unintentional action by the cat.