There are multiple definitions - click on the translation that matches your context.

deal-breaker means:

amin áll

főnév

neolog

deal-breaker

noun

There is no direct Hungarian translation, but the above expression covers the meaning of the term 'deal-breaker'.

something that cannot be accepted and, if not resolved, results in talks regarding an agreement, job, relationship, etc. ending

For many shoppers, this could be a deal-breaker.