Part of speech: Adjective
conspicuously or grossly unconventional or unusual
Example: restaurants of bizarre design--one like a hat, another like a rabbit; famed for his eccentric spelling; a freakish combination of styles; his off-the-wall antics; the outlandish clothes of teenagers; outre and affected stage antics
Eccentric, Bizarre, Freaky, Gonzo, Off-the-wall
The word "bizarre" comes from Italian bizzarro, which comes from Basque bizar, which was borrowed from French bizarre.
For 300 years after 1066, French was the language of English courts and nobility.