by-blow

/ˈbʌɪbləʊ/

//ˈbʌɪbləʊ// noun

"by-blow" is a 6-letter English headword indexed on PlainSpell.

The verdict

“by-blow” is uncommon English (outside the top frequency list), classed as a noun. 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) - A blow struck to the side or from the side, as in swordplay; a secondary or incidental strike of any sort.

Corpus desk

Index EN-by-blow · by-blow · English

by-blow · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "B" 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.

Key facts for by-blow
PropertyValue
Headwordby-blow
LanguageEnglish
Part of speechNoun
IPA/ˈbʌɪbləʊ/
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “by-blow” in English

by-blowranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

by-blow is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈbʌɪbləʊ/. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for by-blow, which points to an orthography that plays by predictable English rules. We don't track a confusable pairing for this entry, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From by- + blow. The correct English form is by-blow, spelled B-Y---B-L-O-W.

Definition

  1. 1
    A blow struck to the side or from the side, as in swordplay; a secondary or incidental strike of any sort.
  2. 2
    An illegitimate child; a child of an unknown or unmarried father.

Recorded use

Wiktionary examples

These source excerpts show how by-blow appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Either commander took speedy advantage of it—Hopton to make a swift diversion into Sussex and capture Arundel Castle (which was but a by-blow, for in a few weeks he had lost it again).
  2. As a by-blow in the course of his relentless campaigns against Louis, Willem gained the three thrones of Britain in 1699 – but what a by-blow this proved!

Etymology

From by- + blow.

Synonyms

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

How do you spell "by-blow"?
"by-blow" is spelled B-Y---B-L-O-W. The IPA pronunciation is /ˈbʌɪbləʊ/.
What does "by-blow" mean?
As a noun, "by-blow" means: A blow struck to the side or from the side, as in swordplay; a secondary or incidental strike of any sort.
How do you pronounce "by-blow"?
The IPA (International Phonetic Alphabet) transcription for "by-blow" is /ˈbʌɪbləʊ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "by-blow"?
From by- + blow. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list