isolationism

/ˌaɪsəˈleɪʃəˌnɪzəm/

//ˌaɪsəˈleɪʃəˌnɪzəm// noun

By · According to Wiktionary data (CC BY-SA) ·

"isolationism" is a 12-letter English headword indexed on PlainSpell.

The verdict

“isolationism” is uncommon English (frequency #50,605 among 17,902 “I” headwords), classed as a noun. The kind of spelling people second-guess.

#50,605
frequency rank, English
17,902
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A national (or group) policy of non-interaction with other nations (or groups).

Key facts for isolationism
PropertyValue
Headwordisolationism
LanguageEnglish
Part of speechNoun
IPA/ˌaɪsəˈleɪʃəˌnɪzəm/
Letters12
Frequency rank#50,605
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “isolationism” 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). isolationism lands here:

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

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

Rare enough to double-check

isolationism is uncommon English at frequency #50,605 among 17,902 “I” headwords, classed as anoun, transcribed /ˌaɪsəˈleɪʃəˌnɪzəm/. Rarity is why readers land here mid-draft. Gloss: "A national (or group) policy of non-interaction with other nations (or groups).".

isolationism has no tracked misspelling variants, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From isolation + -ism. The correct English form is isolationism, spelled I-S-O-L-A-T-I-O-N-I-S-M.

Definition

  1. 1
    A national (or group) policy of non-interaction with other nations (or groups).

Etymology

From isolation + -ism.

This word in other languages

aislacionismo(Español)isolationnisme(Français)Isolationismus(Deutsch)

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 "isolationism"?
"isolationism" is spelled I-S-O-L-A-T-I-O-N-I-S-M. The IPA pronunciation is /ˌaɪsəˈleɪʃəˌnɪzəm/.
What does "isolationism" mean?
As a noun, "isolationism" means: A national (or group) policy of non-interaction with other nations (or groups).
How do you pronounce "isolationism"?
The IPA (International Phonetic Alphabet) transcription for "isolationism" is /ˌaɪsəˈleɪʃəˌnɪzəm/. 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 "isolationism"?
From isolation + -ism. 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 “isolationism”

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

  • The one correct English spelling is I-S-O-L-A-T-I-O-N-I-S-M - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌaɪsəˈleɪʃəˌnɪzəm/ (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

Other uncommon English words near this rank

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