half brother

/ˌhæfˈbɹʌðɚ/

//ˌhæfˈbɹʌðɚ// noun

"half-brother" is a 11-letter English headword indexed on PlainSpell.

The verdict

“half brother” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A male sibling sharing a single parent, as distinguished from a full brother or brother-german, from a step-brother, or from a brother-like figure such as a blood brother.

Key facts for half brother
PropertyValue
Headwordhalf brother
LanguageEnglish
Part of speechNoun
IPA/ˌhæfˈbɹʌðɚ/
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “half brother” sits in English frequency

half brother falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

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

Our edit-distance generator produced no likely misspellings for half brother, since its letter pattern doesn't lend itself to common typo substitutions. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From Middle English half-brother, equivalent to half- + brother. Cognate with Dutch halfbroer (“halfbrother”), German Halbbruder (“halfbrother”), Danish halvbroder (“halfbrother”), Swedish halvbroder, halvbror (“halfbrother”), Icelandic hálfbróðir (“halfbro… The correct English form is half brother, spelled H-A-L-F- -B-R-O-T-H-E-R.

Definition

  1. 1
    A male sibling sharing a single parent, as distinguished from a full brother or brother-german, from a step-brother, or from a brother-like figure such as a blood brother.
  2. 2
    A male half sibling (same dam, different sires).

Etymology

From Middle English half-brother, equivalent to half- + brother. Cognate with Dutch halfbroer (“halfbrother”), German Halbbruder (“halfbrother”), Danish halvbroder (“halfbrother”), Swedish halvbroder, halvbror (“halfbrother”), Icelandic hálfbróðir (“halfbrother”).

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

How do you spell "half brother"?
"half brother" is spelled H-A-L-F- -B-R-O-T-H-E-R. The IPA pronunciation is /ˌhæfˈbɹʌðɚ/.
What does "half brother" mean?
As a noun, "half brother" means: A male sibling sharing a single parent, as distinguished from a full brother or brother-german, from a step-brother, or from a brother-like figure such as a blood brother.
How do you pronounce "half brother"?
The IPA (International Phonetic Alphabet) transcription for "half brother" is /ˌhæfˈbɹʌðɚ/. 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 "half brother"?
From Middle English half-brother, equivalent to half- + brother. Cognate with Dutch halfbroer (“halfbrother”), German Halbbruder (“halfbrother”), Danish halvbroder (“halfbrother”), Swedish halvbroder, halvbror (“halfbrother”), Icelandic hálfbróðir... 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.

Using “half brother”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is H-A-L-F- -B-R-O-T-H-E-R - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌhæfˈbɹʌðɚ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • 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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list