Definition of one-to-one adjective from the Oxford Advanced Learner's Dictionary



    ; NAmE
    (especially British English)(usually North American English one-on-one)[usually before noun] Business meetings
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  1. 1between two people only a one-to-one meeting Teachers do not have much time for one-to-one contact with their students. See related entries: Business meetings
  2. 2matching something else in an exact way There is no one-to-one correspondence between sounds and letters.