working hypothesis
"working-hypothesis" is a 17-letter English headword indexed on PlainSpell.
The verdict
“working hypothesis” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 18
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A hypothesis that is weakly held, tentatively, as a best guess; such a hypothesis among several plausible ones that is driving or underpinning a scientific team's work at a given time.
| Property | Value |
|---|---|
| Headword | working hypothesis |
| Language | English |
| Part of speech | Noun |
| Letters | 18 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “working hypothesis” sits in English frequency
Rare enough to double-check
working hypothesis is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A hypothesis that is weakly held, tentatively, as a best guess; such a hypothesis among several plausible ones that is driving or underpinning a scientific team's work at a given time.".
No misspelling variants are generated for working hypothesis in our index, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.
Wiktionary doesn't record an etymology for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is working hypothesis, spelled W-O-R-K-I-N-G- -H-Y-P-O-T-H-E-S-I-S.
Definition
- 1A hypothesis that is weakly held, tentatively, as a best guess; such a hypothesis among several plausible ones that is driving or underpinning a scientific team's work at a given time.
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.
Frequently Asked Questions
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Using “working hypothesis”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is W-O-R-K-I-N-G- -H-Y-P-O-T-H-E-S-I-S - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
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.