son of a gun

noun

"son-of-a-gun" is a 9-letter English headword indexed on PlainSpell.

The verdict

“son of a gun” 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) - son of a bitch

Key facts for son of a gun
PropertyValue
Headwordson of a gun
LanguageEnglish
Part of speechNoun
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “son of a gun” sits in English frequency

son of a gun 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

son of a gun is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for son of a gun in our index, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: Euphemistic variant of son of a bitch. There are folk etymologies suggesting nautical origins, such as a reference to the disputed parentage of a child born aboard a ship (between the guns), or a child fathered by a soldier (also referred to as a "gun"). Ho… The correct English form is son of a gun, spelled S-O-N- -O-F- -A- -G-U-N.

Definition

  1. 1
    son of a bitch
  2. 2
    Used encouragingly or to compliment.

Etymology

Euphemistic variant of son of a bitch. There are folk etymologies suggesting nautical origins, such as a reference to the disputed parentage of a child born aboard a ship (between the guns), or a child fathered by a soldier (also referred to as a "gun"). However, these etymologies are not supported by evidence.

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 "son of a gun"?
"son of a gun" is spelled S-O-N- -O-F- -A- -G-U-N.
What does "son of a gun" mean?
As a noun, "son of a gun" means: son of a bitch
What is the origin of the word "son of a gun"?
Euphemistic variant of son of a bitch. There are folk etymologies suggesting nautical origins, such as a reference to the disputed parentage of a child born aboard a ship (between the guns), or a child fathered by a soldier (also referred to as a ... 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 “son of a gun”

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

  • The one correct English spelling is S-O-N- -O-F- -A- -G-U-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.

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

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