Definition of one-one in English:

one-one

adverb

  • Caribbean, United States regional, and Indian English. One by one, bit by bit; one after the other; individually.

adjective

  • Caribbean. Scattered, sporadic; a few.

Origin

Early 19th century; earliest use found in John Thomson (1765–1846), physician and surgeon. Reduplication of one, chiefly via Caribbean creole after distributive use in a number of African languages, e.g. Akan baako-baako, Bemba u-mo u-mo, Yoruba ọ̀koọ̀kan.

Pronunciation

one-one

/ˌwʌnˈwʌn//ˈwʌnˌwʌn/