The opposite of the word "real" is "fake." This is a great adjective to use when describing something or someone that gives a false impression or doesn’t seem real.
Are those diamonds real, or are they fake?*
That woman is speaking with a fake French accent.
Matt used a fake ID to buy some beer.
Sharon has a fake tattoo on her back that looks real.
Someone is passing around fake hundred-dollar bills.
You can also use this word as a noun:
There was a story in the paper about a man who thought he owned a painting by Pablo Picasso, but it turned out to be a fake.
He said he was a doctor, but it turns out he’s a fake.
Is this apple a fake or is it real?
Sometimes the word "fake" is used as a verb:
Is he really asleep or is he just faking it?
Caroline faked that she was happy when she got married.
He faked his way through school and got a degree.
* Another word that is similar to "fake" is "phoney."
