bipolar disorder
/ˌbaɪˈpoʊ.lɚ dɪˈsɔːr.dɚ/
"bipolar-disorder" is a 15-letter English headword indexed on PlainSpell.
The verdict
“bipolar disorder” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 16
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A psychiatric diagnostic category, previously called manic depression, characterised by mood swings between great energy (mania) and clinical depression.
Corpus desk
Index EN-bipolar-disorder · bipolar disorder · English
bipolar disorder · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 16 letters
- VOW-6 6 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "B" thin
- PHOTO-UNK Peer pending
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
| Property | Value |
|---|---|
| Headword | bipolar disorder |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌbaɪˈpoʊ.lɚ dɪˈsɔːr.dɚ/ |
| Letters | 16 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “bipolar disorder” in English
Rare enough to double-check
bipolar disorder is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌbaɪˈpoʊ.lɚ dɪˈsɔːr.dɚ/. Rarity is why readers land here mid-draft. Gloss: "A psychiatric diagnostic category, previously called manic depression, characterised by mood swings between great energy (mania) and clinical depression.".
No generated misspelling entries exist for bipolar disorder in our index, suggesting the orthography follows predictable English patterns. We don't track a confusable pairing for this entry, since no other headword is close enough in sound or shape to pair with it.
This headword's origin isn't recorded in our source data, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is bipolar disorder, spelled B-I-P-O-L-A-R- -D-I-S-O-R-D-E-R.
Definition
- 1A psychiatric diagnostic category, previously called manic depression, characterised by mood swings between great energy (mania) and clinical depression.
Recorded use
Wiktionary examplesThese source excerpts show how bipolar disorder appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
An open study comparing response to lamotrigine in patients with rapid-cycling versus non-rapid-cycling bipolar disorder also indicated efficacy, with some evidence that rapid-cycling patients with more severe manic symptoms at the start of treatment respod less well (367).
It^([switching]) is a term frequently used with children with bipolar disorder who may experience switching of mood multiple times throughout the day.
Synonyms
This word in other languages
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.