Semiannual is an adjective that describes something that is paid, reported, published, or otherwise takes place twice each year, typically once every six months.

What is the difference between semiannual and biannual?

Did you know? When we describe something as biannual, we can mean either that it occurs twice a year or that it occurs once every two years. ... Some people prefer to use semiannual to refer to something that occurs twice a year, reserving biannual for things that occur once every two years.

What is every 2 years called?

1 : occurring every two years a biennial celebration. 2 : continuing or lasting for two years specifically, of a plant : growing vegetatively during the first year and fruiting and dying during the second Biennial herbs flower in their second year.