Stuff-Things | Commonly Confused Words

Stuff

/stʌf/

A collection of things or materials that are undefined or unspecified

“What can all that green stuff be?” said Alice."When did you give the stuff to them?"I wasn't goin' to let him get away with that stuff.

Objects, items, or matters; refers to anything that is not specified or not known

Collecting vintage things is my favorite hobby.She whispered sweet things to comfort the child.The room was filled with colorful and odd things.

Stuff often refers to a collection of items or materials that may not be specified.
Things is more about individual objects or items which can often be countable.
Use stuff when you think of materials or substances collectively and things for more tangible, countable items.
Stuff is more informal and abstract, often implying personal belongings where the specifics aren't necessary.
Things can be counted or listed, while stuff often can't.