hella
Hella (adv) means Informal: very, extremely, or a lot — used to intensify an adjective or verb. Example: “That movie was hella good.”
How to use hella
Learner’s notesIn plain EnglishA casual slang word meaning "extremely" or "a lot", big in West Coast US speech.
Very informal — fine in speech and texting, out of place in formal writing.
Fill the gap
Can you complete this real example?
That movie was _____ good.
Etymology
Slang that started in Northern California, originally a shortening of "a hell of a" (lot).