adjective Informal.

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

Origin of super-duper

First recorded in 1935–40; rhyming compound with invented second element Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for super-duper

Contemporary Examples of super-duper

British Dictionary definitions for super-duper



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