biyearly

B3I1Y4E1A1R1L1Y4

adjective

Occurring every two years; biennial.

Similar
biennialperiodicperiodicalsemiannualbiannualhalf-yearlybienniallysemiannually
OriginEnglish yearly ← Latin bi- ← Proto-Italic *dwi- →
Scrabble 16
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

adjectivebiyearly (not comparable)
  1. not comparableOccurring every two years; biennial.
  2. not comparableOccurring twice per year; biannual.

    At the end of the month when Ayah conducts her biyearly search for nits on our heads, she discovers we have each sprung one white hair!

    1988, Bapsi Sidhwa, Ice-Candy Man, Daunt Books (2016), page 185
adverbbiyearly (not comparable)
  1. not comparableEvery two years; biennially.
  2. not comparableTwice per year; biannually.

Synonyms & antonyms

adjectiveoccurring every second year

Similar
biennialperiodicperiodical

adjectiveoccurring or payable twice each year

Similar
semiannualbiannualhalf-yearlyperiodicperiodical

adverbevery two years

Similar
biennially

adverbtwice a year

Similar
semiannuallybiannually
Also see
biannualbiannuallybiennialbienniallyhalf-yearlysemiannualsemiannually

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Italic*dwi-
  4. Latinbi-
  5. Englishbi-
  6. Englishyearly
  7. Englishbiyearly

From bi- + yearly.

Full word history & related roots →
Cite this entry
APA

biyearly. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/biyearly

MLA

“biyearly.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/biyearly. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “biyearly,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/biyearly.

Source: biyearly on Wiktionary, CC BY-SA 4.0.