biannually
/baɪˈænjuːəliː/
"biannually" is a 10-letter English headword indexed on PlainSpell.
The verdict
“biannually” is uncommon English (outside the top frequency list), classed as an adverb. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Taking place twice per year, semiannually.
| Property | Value |
|---|---|
| Headword | biannually |
| Language | English |
| Part of speech | Adverb |
| IPA | /baɪˈænjuːəliː/ |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “biannually” sits in English frequency
Rare enough to double-check
biannually is uncommon English outside the top frequency list, classed as anadverb, transcribed /baɪˈænjuːəliː/. Rarity is why readers land here mid-draft. 2 senses are on record.
Zero misspellings are on record for biannually in our index, which points to an orthography that plays by predictable English rules. It is not paired with a close-neighbour confusable in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From biannual + -ly. The correct English form is biannually, spelled B-I-A-N-N-U-A-L-L-Y.
Definition
- 1Taking place twice per year, semiannually.
- 2Taking place every two years, biennially.
Etymology
From biannual + -ly.
Synonyms
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “biannually”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is B-I-A-N-N-U-A-L-L-Y - every other letter order is a misspelling in standard orthography.
- Say it as /baɪˈænjuːəliː/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.