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righto

American  
[rahyt-oh, rahyt-oh, rahy-toh, -toh] / ˈraɪtˌoʊ, ˈraɪtˈoʊ, ˈraɪˌtoʊ, -ˈtoʊ /

interjection

Chiefly British.
  1. (used to express understanding or assent.)


righto British  
/ ˈraɪtˈəʊ /
  1. informal an expression of agreement or compliance

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of righto

First recorded in 1895–1900; right + -o