Causing or inflicting death, or capable of doing so; lethal.

(business, historical) The situation where a Western country, trading with the Eastern Bloc, accepted goods as part payment despite having no use for them, and then sold them on to others.

A verbal commitment to a transaction.

(slang) What happened, is happening, or is going to happen? Why did something happen or is someone acting a certain way?

Alternative form of deal breaker

Used to indicate that something is trivial or unimportant.

plural of square deal

A deal that is square (equitable); a fair deal.

plural of half-deal

(slang, uncommon) Any business transaction conducted while in the bedroom, particularly during sexual intimacy.