subitaneous
"subitaneous" is a 11-letter English headword indexed on PlainSpell.
The verdict
“subitaneous” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Sudden; suddenly done or made.
Corpus desk
Index EN-subitaneous · subitaneous · English
subitaneous · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 11 letters
- VOW-6 6 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "S" 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 | subitaneous |
| Language | English |
| Part of speech | Adjective |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “subitaneous” in English
Rare enough to double-check
subitaneous is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.
We couldn't generate a plausible misspelling set for subitaneous, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From Latin subitaneus. Doublet of sudden. The correct English form is subitaneous, spelled S-U-B-I-T-A-N-E-O-U-S.
Definition
- 1Sudden; suddenly done or made.
- 2Immediately developing (as contrasted with e.g. diapausing).
Recorded use
Wiktionary examplesThese source excerpts show how subitaneous appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
... subitaneous (immediately developing) and diapausing (dormant) eggs, brood retention, environmental sex determination and suppression of meiosis in subitaneous eggs. The production of subitaneous and diapausing eggs is[…]
... subitaneous or resting. This is enough to make the Calanoida eggs (about 104–106 m-2 of bottom area) more abundant than those of Rotifera (about 104 m-2) and Cladocera (about 103–105 m-2) in sediment assemblages (Hairston 1996). Among[…]
Etymology
From Latin subitaneus. Doublet of sudden.
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.