Definitions

1. adjective

extremely good or excellent

“She thought the new restaurant was superduper, and we decided to try it out.”

2. adverb

to a very great degree

“He played superduper well in the championship game.”

3. noun

something that is extremely good or excellent

“The new smartphone is considered a superduper by many tech experts.”

4. interjection

an expression of excitement or approval

“Wow, this is superduper!”