Something that is freakish is remarkable because it is not normal or natural. his freakish voice varying from bass to soprano. very unusual and strange, and sometimes frightening = weird
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"