1 : not belonging to that in which it is contained; introduced from an outside source; "water free of extraneous matter"; "foreign particles in milk"
2 : very unusual; different in character or quality from the normal or expected; "a strange, other dimension...where his powers seemed to fail"- Lance Morrow
3 : 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"
4 : inspiring a feeling of fear; strange and frightening; "an uncomfortable and eerie stillness in the woods"; "an eerie midnight howl"
adjectif
1 : not known or well known
2 : relating to or originating in or characteristic of another place or part of the world