abruptly, unexpectedly, rapidly, swiftly, all of a sudden, out of the blue, without warning, quickly, speedily, and precipitously.
a flinch
This could be bolt.
Grasp or seize.
Although it has the actual mean of "sudden", the word is abrupt.
"Suddenly" is an adverb.
A word that means to depart suddenly is "plump" or "plumped"
Abruptly.
abruptly, unexpectedly
a flinch
This could be bolt.
She was driving down the street, but then suddenly, out of nowhere, another car ran a stop light and T-boned her.
Grasp or seize.
Although it has the actual mean of "sudden", the word is abrupt.
"Suddenly" is an adverb.
Sprout would be a word for 'to shoot up suddenly'.
No, "suddenly" is not a compound word. It is an adverb formed from the adjective "sudden."
Suddenly is an adverb and its comparative is formed by putting the word "more" in front of it.