Used to express finding a solution to an argument or disagreement often through vigorous debate. The partners will fight out their share of profits tomorrow.
Pro Tip 2/3
Personal Disputes
Can imply personal investment in the issue being fought over, such as familial or emotional ties. The siblings needed to fight out who gets the family car.
Pro Tip 3/3
Intense Negotiation
Suggests a vigorous and potentially lengthy process of back-and-forth communication. Union leaders fought out the terms with management until midnight.