i Register
In some senses, stereo is marked as dated, colloquial. Watch for register when choosing this word.
ADJ.
expensive, inferior, interesting, little, new, own, wrong
He saved up for months to buy his own stereo system for the bedroom.
VERB + STEREO
buy, got, likes, play, record, repair, turn
I bought a new stereo for my bedroom last week.
STEREO + NOUN
bedroom, entertainment, equipment, system
My son installed a new stereo system in his bedroom last weekend.
PREP.
down, in, in, on, with, without
I turned the stereo down because the music was too loud for studying.
ADV.
such
The old car had such a stereo that everyone could hear the music from three blocks away.