WordNet sense 1 (being or from or characteristic of another place or part of the world):

alien

WordNet sense 2 (relating to or originating in or characteristic of another place or part of the world):

foreign

WordNet sense 3 (strikingly odd or unusual):

weird

WordNet sense 4 (very strange or unusual; odd or even incongruous in character or appearance):

quaint

WordNet sense 5 (beyond or deviating from the usual or expected):

curious, funny, odd, peculiar, singular

WordNet sense 6 (ludicrously odd):

fantastic

WordNet sense 7 (being definitely out of the ordinary and unexpected; slightly odd or even a bit weird):

unusual

WordNet sense 8 (not known before):

unknown

WordNet sense 9 (not known or well known):

unfamiliar