Synonyms of uninvestigated

1 Syllable
new
2 Syllables
curious, unknown, foreign, novel
3 Syllables
remote, fantastic, obscure, outlandish, alien, exotic, peculiar, unusual, uncommon, bizarre
4 Syllables
unfamiliar, out-of-the-way, anomalous, unexplored, recondite, unexpected, original, remarkable
5 Syllables
unaccustomed, extraordinary