bidirectional
/ˌbaɪ.dɪˈɹɛk.ʃə.nəl
"bidirectional" is a 13-letter English headword indexed on PlainSpell.
The verdict
“bidirectional” has 19 generated spelling variants in the English index at frequency #49,791. The variants make it a useful spelling check.
- #49,791
- frequency rank, English
- 31,241
- “B” headwords
- 19
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Moving in two directions (usually opposite).
| Property | Value |
|---|---|
| Headword | bidirectional |
| Language | English |
| Part of speech | Adjective |
| IPA | /ˌbaɪ.dɪˈɹɛk.ʃə.nəl |
| Letters | 13 |
| Frequency rank | #49,791 |
| Misspellings tracked | 19 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “bidirectional” sits in English frequency
A misspelling magnet
The generator records 19 spelling variants around bidirectional (IPA /ˌbaɪ.dɪˈɹɛk.ʃə.nəl), anadjective. Corpus frequency is #49,791 among 31,241 “B” headwords. Wiktionary lists 2 senses, so context still picks the gloss.
Our generated misspelling index lists 19 likely wrong-spelling variants for bidirectional, with forms such as "bbidirectional", "bdiirectional", and "biddirectional". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From bi- + directional. The correct English form is bidirectional, spelled B-I-D-I-R-E-C-T-I-O-N-A-L.
Definition
- 1Moving in two directions (usually opposite).
- 2Operating or functioning in two directions (usually opposite).
Etymology
From bi- + directional.
Antonyms
This word in other languages
Common misspellings
Also misspelled as:
- bbidirectional
- bdiirectional
- biddirectional
- bidierctional
- bidircetional
- bidirecctional
- bidirecitonal
- bidirectinoal
- bidirectioanl
- bidirectionall
- bidirectionla
- bidirectionnal
- bidirectoinal
- bidirecttional
- bidiretcional
- bidirrectional
- bidriectional
- biidrectional
- ibdirectional
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of bidirectional - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "bidirectional"?
What does "bidirectional" mean?
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Is PlainSpell free to use?
Using “bidirectional”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is B-I-D-I-R-E-C-T-I-O-N-A-L - every other letter order is a misspelling in standard orthography.
- Say it as /ˌbaɪ.dɪˈɹɛk.ʃə.nəl (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
Same frequency band
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.