BIANNUAL

semiannual, biannual, biyearly, half-yearly

(adjective) occurring or payable twice each year

Source: WordNet® 3.1


Etymology

Adjective

biannual (not comparable)

Occurring twice a year; semiannual.

(proscribed) Occurring once every two years; biennial.

Usage notes

Although biannual conventionally means twice a year, its conflation with biennial (once every two years) is quite common.

Synonyms

• half-yearly

• semiannual

• twice-yearly

Noun

biannual (plural biannuals)

Something occurring twice each year.

Source: Wiktionary


Bi*an"nu*al, a. [Pref. bi- + annual.]

Definition: Occurring twice a year; half-yearly; semiannual.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

19 April 2025

CATCH

(verb) grasp with the mind or develop an understanding of; “did you catch that allusion?”; “We caught something of his theory in the lecture”; “don’t catch your meaning”; “did you get it?”; “She didn’t get the joke”; “I just don’t get him”


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Coffee Trivia

You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.

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