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window-of-opportunity

Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.

Detailed reference entry for the English word "window-of-opportunity", 21-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Wiktionary, and usage frequency ranked against an open word-frequency list covering the top 100,000 English words. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "window-of-opportunity" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "window-of-opportunity" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.

The verdict

“window of opportunity” is outside the top-ranked English vocabulary, used as a noun — the kind of word writers most often double-check.

Unranked
below top-frequency English
21
letters

Dominant Wiktionary sense: A (usually limited) period of time in which suitable action can achieve success.

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Key facts for window of opportunity
PropertyValue
Headwordwindow of opportunity
LanguageEnglish
Part of speechNoun
IPA/ˌwɪndəʊ‿əv ˌɒpəˈtjuːnɪtɪ/
Letters21
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “window of opportunity” sits in English frequency

window of opportunity 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.

Spelling & Dictionary Insight

The English entry for window of opportunity is 21 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌwɪndəʊ‿əv ˌɒpəˈtjuːnɪtɪ/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "A (usually limited) period of time in which suitable action can achieve success.".

No misspelling variants are generated for window of opportunity in our index, suggesting the orthography follows predictable English patterns. 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: Popularized by its use by the United States Government in the 1970s in reference to the Cold War (1945–1991). Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is window of opportunity, spelled W-I-N-D-O-W- -O-F- -O-P-P-O-R-T-U-N-I-T-Y, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    A (usually limited) period of time in which suitable action can achieve success.

Etymology

Popularized by its use by the United States Government in the 1970s in reference to the Cold War (1945–1991).

This word in other languages

Frequently Asked Questions

How do you spell "window of opportunity"?
"window of opportunity" is spelled W-I-N-D-O-W- -O-F- -O-P-P-O-R-T-U-N-I-T-Y. The IPA pronunciation is /ˌwɪndəʊ‿əv ˌɒpəˈtjuːnɪtɪ/.
What does "window of opportunity" mean?
As a noun, "window of opportunity" means: A (usually limited) period of time in which suitable action can achieve success.
How do you pronounce "window of opportunity"?
The IPA (International Phonetic Alphabet) transcription for "window of opportunity" is /ˌwɪndəʊ‿əv ˌɒpəˈtjuːnɪtɪ/. 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 "window of opportunity"?
Popularized by its use by the United States Government in the 1970s in reference to the Cold War (1945–1991). 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 “window of opportunity”

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

  • The one correct English spelling is W-I-N-D-O-W- -O-F- -O-P-P-O-R-T-U-N-I-T-Y — every other letter order is a misspelling in standard orthography.
  • Say it as /ˌwɪndəʊ‿əv ˌɒpəˈtjuːnɪtɪ/ (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

Nearby English words

Other entries that begin with the letter W in our English index:

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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.