Dealbreaker (noun)

A factor or condition that would make a particular deal or arrangement unacceptable.

Origin:

The term dealbreaker originated in the late 20th century in the united states and was first used in the context of negotiation and business. it referred to a condition or issue that, if not resolved, would cause a deal or agreement to fall through.

Examples:

1. The lack of parking space is a dealbreaker for the potential buyer.
2. The proposed merger fell through when the two companies couldn't agree on the dealbreaker issue of control.
3. The company's strict dress code policy was a dealbreaker for the job candidate.
4. The high cost of rent was a dealbreaker for the young couple looking for a new apartment.
5. The inability to bring their pet was a dealbreaker for the family considering the vacation rental.