Formal:
* ניין (neyn) - This is the most common and straightforward way to say "no."
* נישט (nisht) - This means "not," and can be used as a stand-alone word to express negation.
* ווייַט נישט (vayt nisht) - Means "not at all" or "absolutely not."
Informal:
* נישט קיין (nisht keyn) - Similar to "not any," "not a," or "no" in English.
* פֿאַרשטייט זיך (fershtat zich) - Literally "it understands itself," often used in a joking or sarcastic way to mean "no way" or "of course not."
Other options:
* אוי (oy) - A general exclamation of surprise or disappointment, can sometimes be used to mean "no" or "not really."
* פֿאַרשפּילט (fershpilt) - This literally means "played out" or "lost," but can also be used to mean "no way" or "out of the question."
The best way to choose the appropriate phrase depends on the context and your relationship with the person you're speaking to.