Waraikú (Araikú) is an extinct, poorly attested, and unclassified

Arawakan language Arawakan (''Arahuacan, Maipuran Arawakan, "mainstream" Arawakan, Arawakan proper''), also known as Maipurean (also ''Maipuran, Maipureano, Maipúre''), is a language family that developed among ancient indigenous peoples in South America. Branch ...

. Both Kaufman (1994) and Aikhenvald (1999) leave it unclassified within Northern Arawakan.

References

Indigenous languages of the South American Northern Foothills Arawakan languages {{Arawakan-lang-stub