boil down
"boil-down" is a 8-letter English headword indexed on PlainSpell.
The verdict
“boil down” is outside the top-ranked English vocabulary, used as a verb - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To reduce in volume by boiling.
| Property | Value |
|---|---|
| Headword | boil down |
| Language | English |
| Part of speech | Verb |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “boil down” sits in English frequency
Spelling & Dictionary Insight
The English entry for boil down is 9 letters long, classified as a verb. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
No generated misspelling entries exist for boil down in our index, a straightforward case of a spelling with little room for common typos. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: As an allusion to the technique of reduction or decreasing liquid content of food by boiling much of its water off. The correct English form is boil down, spelled B-O-I-L- -D-O-W-N.
Definition
- 1To reduce in volume by boiling.
- 2To become reduced (to the most central elements or ingredients: to the essence, core, or implication for action).
- 3To reduce (to the most central elements or ingredients: to the essence, core, or implication for action).
Etymology
As an allusion to the technique of reduction or decreasing liquid content of food by boiling much of its water off.
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.
Frequently Asked Questions
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Using “boil down”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is B-O-I-L- -D-O-W-N - 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.