(In the UK) a document issued to savers by the government guaranteeing fixed interest for five years on a deposit.
More example sentences
- You can invest tax-free in National Savings and Investments Premium Bonds, Children's Bonds or various savings certificates.
- You can also buy two-year and five-year index-linked savings certificates, the first currently paying 3% over inflation, and the second 2%, again tax-free.
- Taxfree savings certificates can prove popular, particularly for higher-rate taxpayers who have already used up their other tax-free options.