holdout

/ˈhəʊldaʊt/ noun [C]

Definition

› a person, organization, or country that continues to refuse to accept something that others have already accepted, despite other people trying to persuade them to: Smaller producers, who would receive less than 20% of the $1.2 billion under the settlement formula, remain holdouts.

› the act of refusing to accept something: Their holdout continued as they refused to sign the contract.

(Definition of holdout noun from the Cambridge Business English Dictionary © Cambridge University Press)