Britannica Dictionary definition of STUFF
[noncount]
1
informal
a
:
materials, supplies, or equipment
-
She got out the cooking stuff to bake some cookies.
-
computers, word processors, and stuff like that
-
I need a place to store my stuff.
b
:
a group or pile of things that are not specifically described
2
informal
—
used to refer to something when you do not need to name exactly what it is
-
They sold tons of the stuff.
-
Trust me. This stuff works.
-
That stuff's expensive.
-
She wears cool stuff.
-
They're giving away free stuff at the door.
-
I didn't like her early books, but her recent stuff is very good.
-
The stuff he says about me is just not true.
-
I drink wine and beer occasionally, but I never touch the hard stuff. [=hard liquor; alcoholic drinks like whiskey, vodka, etc.]
—
see also hot stuff, kid stuff
3
informal
—
used to speak in a general way about something that is talked about, written about, etc.
4
informal
—
used to describe the quality of a performance, experience, etc.
5
informal
:
actions or behavior of a particular kind
-
How do they get away with such stuff?
-
Don't try any funny stuff.
-
There's all this crazy stuff going on.
-
He does stuff that bugs his parents.
6
:
personality or character
-
He's a coward but his brother is made of sterner/tougher stuff. [=his brother is a stronger/tougher person]
-
A person who has the right stuff [=who has the necessary personal qualities] will do well here.
7
:
the material that something is made of
—
often used figuratively
8
baseball
:
the ability to throw pitches that are hard to hit
and stuff
informal
—
used in speech to refer to things that are similar to the thing just mentioned
do your stuff
informal
:
to do the things that you are able to do well
:
to do things that you are known for doing
know your stuff
informal
:
to be an expert at something
show your stuff
informal
:
to show what you are able to do
:
to show your skills
2
stuff
/ˈstʌf/
verb
stuffs;
stuffed;
stuffing
stuffs;
stuffed;
stuffing
Britannica Dictionary definition of STUFF
[+ object]
1
:
to fill (something) so that there is no room for anything else
—
often used figuratively
2
:
to push (something) quickly and carelessly into a small space
—
usually + into
3
:
to put a seasoned mixture of food into (something that is being cooked)
-
stuff a turkey
-
stuff a pepper
4
:
to fill the skin of (a dead animal) so that it looks the way it did when it was alive
—
often used as (be) stuffed
stuff it
informal
—
used as an angry and rude way to say that you do not want something or are not interested in something
stuff yourself
informal + often disapproving
or
stuff your face
:
to eat a large amount of food