Meaning of yeah, no | Babel Free

Definitions

1. Used sarcastically to answer "no" to a question where the negative answer should have been obvious.
   Australia, California, New-Zealand, colloquial, emphatic, especially
2. A softened negative response to a question or statement that seems plausible but is not factual.
   US, colloquial
3. An agreement that the answer is negative.
   colloquial
4. An agreement; the “yeah” functions as affirmation, while the “no” could be replaced by the phrase “don’t worry.”

Examples

“"Look at those clouds; it might rain." "Yeah, no, the weatherman says it won't rain until at least next week."”

“"I hope you weren't expecting us to finish it this week." "Yeah, no, that's fine — I figured it might not be that quick."”

CEFR level