one-way
/wʌn.weɪ/
"one-way" is a 6-letter English headword indexed on PlainSpell.
The verdict
“one-way” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 7
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Allowing movement, vision, etc. in only one direction; unidirectional.
Corpus desk
Index EN-one-way · one-way · English
one-way · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 7 letters
- VOW-4 4 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 | one-way |
| Language | English |
| Part of speech | Adjective |
| IPA | /wʌn.weɪ/ |
| Letters | 7 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “one-way” in English
Rare enough to double-check
one-way is uncommon English outside the top frequency list, classed as anadjective, transcribed /wʌn.weɪ/. Rarity is why readers land here mid-draft. 3 senses are on record.
The misspelling generator found no plausible variants for one-way, typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From one + way. First attested in 1906 in reference to one-way tickets; 1914 in reference to one-way streets; 1940 in reference to one-way mirrors. The correct English form is one-way, spelled O-N-E---W-A-Y.
Definition
- 1Allowing movement, vision, etc. in only one direction; unidirectional.
- 2Allowing travel in only one direction.
- 3Of a function: easy to compute for every input, but hard to invert given the image of a random input.
Recorded use
Wiktionary examplesThese source excerpts show how one-way appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
one-way mirror
The town centre is now a system of one-way streets.
Etymology
From one + way. First attested in 1906 in reference to one-way tickets; 1914 in reference to one-way streets; 1940 in reference to one-way mirrors.
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.