on demand
"on-demand" is a 8-letter English headword indexed on PlainSpell.
The verdict
“on demand” is uncommon English (outside the top frequency list), classed as a prep_phrase. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - When needed or required.
Corpus desk
Index EN-on-demand · on demand · English
on demand · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 9 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "O" 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 | on demand |
| Language | English |
| Part of speech | Prep_phrase |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “on demand” in English
Rare enough to double-check
on demand is uncommon English outside the top frequency list, classed as aprep_phrase. Rarity is why readers land here mid-draft. Gloss: "When needed or required.".
Zero misspellings are on record for on demand in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
No explicit etymology string is stored for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is on demand, spelled O-N- -D-E-M-A-N-D.
Definition
- 1When needed or required.
Recorded use
Wiktionary examplesThese source excerpts show how on demand appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The kitten is being fed on demand.
Our new on-demand software delivery system is cutting edge.
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.