antiterrorism

noun

"antiterrorism" is a 13-letter English headword indexed on PlainSpell.

The verdict

“antiterrorism” is an uncommon English word, ranked #92,339 in English word frequency and used as a noun.

#92,339
frequency rank, English
13
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Activity aiming at opposing or preventing terrorism.

Key facts for antiterrorism
PropertyValue
Headwordantiterrorism
LanguageEnglish
Part of speechNoun
Letters13
Frequency rank#92,339
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “antiterrorism” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). antiterrorism lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for antiterrorism is 13 letters long, classified as a noun. Corpus data places it at rank #92,339 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Activity aiming at opposing or preventing terrorism.".

The misspelling generator found no plausible variants for antiterrorism, since its letter sequence doesn't invite the usual edit-distance slips. 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: From anti- + terrorism. The correct English form is antiterrorism, spelled A-N-T-I-T-E-R-R-O-R-I-S-M.

Definition

  1. 1
    Activity aiming at opposing or preventing terrorism.

Etymology

From anti- + terrorism.

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "antiterrorism"?
"antiterrorism" is spelled A-N-T-I-T-E-R-R-O-R-I-S-M.
What does "antiterrorism" mean?
As a noun, "antiterrorism" means: Activity aiming at opposing or preventing terrorism.
What is the origin of the word "antiterrorism"?
From anti- + terrorism. 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 “antiterrorism”

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

  • The one correct English spelling is A-N-T-I-T-E-R-R-O-R-I-S-M - 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