conspicuously or grossly unconventional or unusual; "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"
disapproval If you describe something as outlandish, you disapprove of it because you think it is very unusual, strange, or unreasonable. This idea is not as outlandish as it sounds. = bizarre. strange and unusual