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Synonyms

super-duper

American  
[soo-per-doo-per] / ˈsu pərˈdu pər /

adjective

Informal.

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

super-duper British  
/ ˈsuːpəˈduːpə /

adjective

  1. 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

Etymology

Origin of super-duper

First recorded in 1935–40; rhyming compound with invented second element

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For most of my life—and most of his life—he was never exactly super-duper mega-famous.

From Slate • Dec. 19, 2024

Even before our trio signs anything, there are a script, a cast and arty twin-sister directors, “hot off their Grand Prix at Cannes and their super-duper viral Walmart ad campaign,” already in place.

From Los Angeles Times • Aug. 27, 2024

“It was smaller than the front seat of a Volkswagen bug. It made Apollo seem like a super-duper, plush touring bus.”

From Washington Times • Nov. 10, 2023

Thanks to his signature super power — super-duper mind-bending speed — he can truly be in two places at once.

From Seattle Times • Jun. 12, 2023

At lunchtime, all us cool kids would eat our lunches super-duper fast so we could go outside to meet Sage Moore at the tetherball courts.

From Absolutely Almost by Lisa Graff

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.