-Enn/-Ann Vocabulary Definitions

occurring every three years

• annual

• triennial

• biennial

• semiannual

a reference to something that is old, antiquated, or outdated

• superannuated

• annuity

• perennial

• millennium

something that happens once every year

• annual

• bicentennial

• biennial

• perennial

an investment that gives income once every year

• annual

• annuity

• triennial

• biennial

a specific date that a celebration is held every year

• semiannual

• biennial

• anniversary

• annual

something that occurs every two hundred years

• biennial

• perennial

• bicentennial

• semiannual

1,000 years

• millennium

• triennial

• biannual

• biennial

something that lasts throughout the year for many years

• semiannual

• anniversary

• annuity

• perennial

something that happens every two years

• biennial

• perennial

• bicentennial

• millennium

something that happens twice a year

• annual

• triennial

• annuity

• semiannual