self-defense

noun

"self-defense" is a 11-letter English headword indexed on PlainSpell.

The verdict

“self-defense” 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 September 3, 2026) - The means of defending oneself from physical attack.

Corpus desk

Index EN-self-defense · self-defense · English

self-defense · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" 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 self-defense
PropertyValue
Headwordself-defense
LanguageEnglish
Part of speechNoun
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “self-defense” in English

self-defenseranks 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

self-defense 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 generated misspelling entries exist for self-defense in our index, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From self- + defense. First used by Hobbes in the 1650s. The correct English form is self-defense, spelled S-E-L-F---D-E-F-E-N-S-E.

Definition

  1. 1
    The means of defending oneself from physical attack.
  2. 2
    The right to protect oneself against violence by using reasonable force, which can be used as justification in several charges including murder, assault, and battery.

Recorded use

Wiktionary examples

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

  1. Nearly all the women are wearing a hijab, one of the reasons they’re in this self-defense class in Antioch, Tennessee, a community nestled next to Nashville. For three hours, these Muslim women learn Krav Maga and Brazilian jiu-jitsu defense moves, including kicks, punches and elbow strikes that will help them escape an attacker.
  2. The case inspired widespread rallies and “Million Hoodie Marches” in early 2012, after Sanford, Fla., police refused to charge Zimmerman with a crime, saying they couldn’t counter his self-defense claim. A special state prosecutor indicted him 44 days later. The trial began June 10.

Etymology

From self- + defense. First used by Hobbes in the 1650s.

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 "self-defense"?
"self-defense" is spelled S-E-L-F---D-E-F-E-N-S-E.
What does "self-defense" mean?
As a noun, "self-defense" means: The means of defending oneself from physical attack.
What is the origin of the word "self-defense"?
From self- + defense. First used by Hobbes in the 1650s. 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