semiannual

adjective

semi·​an·​nu·​al ˌse-mē-ˈan-yə(-wə)l 

ˌse-ˌmī-, 

-mi-

: occurring every six months or twice a year

semiannually adverb

Examples of semiannual in a Sentence

my semiannual visit to my cousin

Recent Examples on the Web

In five previous semiannual data releases dating back to 2023, no Netflix movie or series had recorded more than 165 million views in six months. —Rick Porter, HollywoodReporter, 20 Jan. 2026

Consider planning a visit during March or November for the semiannual Mountain View Bluegrass Festival, both seasons offering great opportunities to catch the scenic waterfalls at Blanchard Springs Recreation Area. —Symiah Dorsey, Southern Living, 19 Jan. 2026

The church's top leader addressed declining U.S. birth rates during the faith's semiannual General Conference in October, which millions of members tune in to from around the world. —NPR, 31 Oct. 2025

According to The Arizona Republic, there have been discussions about abolishing the semiannual time changes, and President Donald Trump, Elon Musk and others support it. —Haadiza Ogwude, Cincinnati Enquirer, 25 Oct. 2025

Word History

First Known Use

1791, in the meaning defined above

Rhymes for semiannual

• interannual

Kids Definition

semiannual

adjective

semi·​an·​nu·​al ˌsem-ē-ˈan-yə(-wə)l 

ˌsem-ˌī-

: occurring every six months or twice a year

semiannually

-ē

adverb