1. 稀奇古怪的；异乎寻常的；不切实际的
If you describe something as outlandish, you disapprove of it because you think it is very unusual, strange, or unreasonable.

1. conspicuously or grossly unconventional or unusual

e.g. 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

Synonym: bizarreeccentricfreakishfreakyflakyflakeygonzooff-the-walloutre