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super-duper

[ soo-per-doo-per ]
/ ˈsu pərˈdu pər /
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adjective Informal.

extremely good, powerful, large, etc.; very super; marvelous or colossal.

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Origin of super-duper

First recorded in 1935–40; rhyming compound with invented second element
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for super-duper

super-duper
/ (ˈsuːpəˈduːpə) /

adjective

informal extremely pleasing, impressive, etc: often used as an exclamation
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
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