stuff
n. uncountablen. a general word for things, objects, or ideas when you do not know the exact name or do not want to be specific. It is very common in casual conversation.
n. a collection of substances, objects, or ideas referred to in a general or non-specific way. Informal in register; frequently used as a placeholder for more precise terminology.
I need to move all my stuff into the new apartment.
The teacher asked the students to clear all the stuff off their desks before the exam started.
While the technical manual covers the hardware specifications, it fails to explain the more complex stuff regarding the software's underlying architecture and data processing logic.
From Middle English stuf, stuffe, borrowed from Medieval Latin stuffa and its etymon Old French estofe, estoffe, estuf, estuffe, stoffe, from estoffer, estofer (“to provide what is necessary, equip, stuff”), borrowed from Old High German stoffōn, from Proto-West Germanic *stoppōn (“to clog up, block, fill”). More at stop.
From Middle English stuffen (“to equip, furnish”), borrowed from Old French estoffer, estofer (“to provide what is necessary, equip, stuff”), borrowed from Old High German stoffōn, from Proto-West Germanic *stoppōn (“to clog up, block, fill”). More at stop.
The noun is uncountable and takes a singular verb; it is never used in the plural form 'stuffs' in this general sense.
I have many stuffs in my bagI have a lot of stuff in my bagStuff is uncountable and does not have a plural form when referring to general belongings or things.