What is the meaning of bye-bye?

noun

WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). bye-bye. Retrieved September 21, 2026, from http://smartdefine.org/bye-bye/definitions/1262438
ChicagoWordNet. 2010. "bye-bye" http://smartdefine.org/bye-bye/definitions/1262438 (accessed September 21, 2026).
HarvardWordNet 2010, bye-bye, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/bye-bye/definitions/1262438>.
MLAWordNet. "bye-bye" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/bye-bye/definitions/1262438>