pre-noun adjectival
Pre-noun adjectival referring to something related to the listener or previously mentioned. Often used to express surprise, disapproval, or emotional reaction.
そんな話は聞いたことがない。
I've never heard such a story.
Why did you do something like that?
interjection
no way!; never!; you're kidding!
Colloquial interjection expressing strong denial, disbelief, or refusal. Often used in casual conversation.
「明日までに100ページ読んでね。」「そんな！」
"Read 100 pages by tomorrow." "No way!"