Costly
expensive opulent, expensive, pricy, highbrow,
The opposite is actually most expensive , but a one-word antonym is costliest.
cheap, inexpensive
inexpensive, cheap, low-priced
cheap, affordable, inexpensive
Expensive means worth a lot or to put it in a simple version the opposite of cheap.
It means "the opposite of expensive" Cheap in spanish is "barato"
is oil cheap or expensive
Its expensive
Expensive, costly, precious, priceless, or valuable. Those are opposites of cheap.
"Deep" rhymes with "cheap" and is the opposite of "shallow."
expensive