This meaning shows a group of small things or people together. Usually, it means items are physically close or connected.
I have a bunch of keys in my hand.
She bought a bunch of flowers for you.
This use means many items or people, mostly in informal language. It shows a large quantity but does not count exactly.
There are a bunch of people at the party.
I have a bunch of work to do.
This is a verb meaning to bring things close and tie or hold them together as one group. It shows action of creating a bunch.
She bunched the papers with a rubber band.
He bunched his clothes into a bag.
In informal language, 'bunch' can mean a small group of friends or people who are close together or related by friendship.
I'm hanging out with my bunch tonight.
That bunch always help each other.
This meaning shows a raised lump or swelling on a surface, often from damage or pressure.
There was a bunch on the carpet after the spill.
He had a bunch on his head after the fall.
This verb means to pull or gather something tightly to create wrinkles or folds, often used for skin or clothes.
She bunched her forehead in anger.
He bunched up his shirt sleeves.