i Register
In some senses, dem is marked as slang, US. Watch for register when choosing this word.
ADJ.
all, good, natty
Those dem good shoes lasted me five years without falling apart.
VERB + DEM
go, tell
I'm going to tell dem about the meeting tomorrow morning.
DEM + NOUN
da, dreadlocks, ere, fings, it's, wiv
I told him to stop messin with dem dreadlocks before he goes out.