Correct spelling, explanation: bizarre is an adjective of French origin. Its ancestor has the same spelling – bizarre. Version bizzare is not correct, because it contains a spelling mistake, and the wrong letter is doubled. The only correct spelling is bizarre with double r.

Definition of bizarre:
adjective: something strange, odd, and unusual
Her behavior was bizarre, it made me feel uncomfortable.
It was a very bizarre evening, she invited a fortuneteller and forced us to take part in this ridiculous spectacle.

Incorrect spelling, explanation: bizarre is a misspelled version of the adjective bizarre. It comes from French bizarre and it has the same spelling as its antecedent. Therefore bizarre should be written with double r and not double z and bizzare is not correct.

Incorrect spelling

Incorrect spelling