noun, noun which may take the genitive case particle 'no'
fast-talking; rapid speech
Refers to speaking quickly, often as a characteristic or manner of speaking. Can be used as a noun or adjectivally with の.
He talks so fast I can't understand what he's saying.
Practicing tongue twisters is fun.
He talks fast when he gets nervous.
I end up talking fast when I get excited.
She's a fast talker, so it's hard to catch what she says.
Alternate kanji spelling, less common. 速 emphasizes speed rather than earliness.