›the state of being the only person, group of people, or organization that is allowed to have or do something: grant/lose/retain exclusivity (on sth)The company which developed the hardware was granted one-year exclusivity on the retails sales.Astra's global market exclusivity on the drug ended last year.an exclusivity agreement/clause/deal
›(alsoexclusiveness/ɪkˈskluːsɪvnəs/)the state of being expensive and of a high quality, and therefore only for people who are rich or of a high social class: If a product lowers its quality it will not retain its exclusivity as a luxury brand.
›an agreement not to speak to other possible buyers while your business is being bought by a particular person or company: The two companies have an agreed period of exclusivity which prevents either seeking alternative buyers before the end of January 2011.