Also found in: Thesaurus, Financial, Idioms.
1. having paid the due, full, or required fee to be a member of an organization, club, political party, etc
2. (Stock Exchange) denoting a security in which all the instalments have been paid; fully paid: a paid-up share.
3. (Stock Exchange) denoting all the money that a company has received from its shareholders: the paid-up capital.
4. (Insurance) denoting an endowment assurance policy on which the payment of premiums has stopped and the surrender value has been used to purchase a new single-premium policy