Definition

In a way that causes someone to be extremely surprised or shocked.

Example

The magician performed dumbfoundingly amazing tricks that left the audience speechless.

Conversation

Did you see that magic show last night?

Yes! It was dumbfoundingly amazing how he pulled that rabbit out of nowhere.

I know, right? I was completely speechless during that trick.

Same here! I can't believe how he managed to do that.

Synonyms & Antonyms

Root Explanation

Dumbfoundingly → It is formed from "dumb" (from Old English *dumb*, meaning unable to speak) and "found" (from Old English *fundian*, meaning to find or discover) combined with the adverbial suffix "-ly" (meaning in a manner of). The word describes something done in a manner that leaves one unable to speak due to astonishment or shock.

Memory Tip

Think of being so astonished that you become 'unable to speak' ('dumb') and 'discover' something surprising ('found'). This helps you remember that 'dumbfoundingly' means in a way that leaves one speechless with amazement.

Visually Confused Words