intromission

/ˌɪn.tɹəˈmɪʃ.ən/

//ˌɪn.tɹəˈmɪʃ.ən// noun

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

The verdict

“intromission” 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) - The state of being allowed to enter; admittance

Key facts for intromission
PropertyValue
Headwordintromission
LanguageEnglish
Part of speechNoun
IPA/ˌɪn.tɹəˈmɪʃ.ən/
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “intromission” sits in English frequency

intromission 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

intromission is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌɪn.tɹəˈmɪʃ.ən/. Rarity is why readers land here mid-draft. 5 senses are on record.

Zero misspellings are on record for intromission in our index, typically a sign the spelling maps closely to how the word sounds. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From Medieval Latin intrōmissiō, intrōmissiōn- (“introduction, admission; usurpation”), intro- (“into”) + missiō (“sending”), from Latin intrōmissus (“sent in, introduced, let in, admitted”), perfect passive participle of intrōmittō (“send in, let in”). The correct English form is intromission, spelled I-N-T-R-O-M-I-S-S-I-O-N.

Definition

  1. 1
    The state of being allowed to enter; admittance
  2. 2
    The act of allowing to enter; admission
  3. 3
    Putting one thing into another; introduction (into); insertion
  4. 4
    Copulation: usually the first moment of initial entry of a penis into a vagina, mouth or anus.
  5. 5
    An intermeddling with the affairs of another, either on legal grounds or without authority.

Etymology

From Medieval Latin intrōmissiō, intrōmissiōn- (“introduction, admission; usurpation”), intro- (“into”) + missiō (“sending”), from Latin intrōmissus (“sent in, introduced, let in, admitted”), perfect passive participle of intrōmittō (“send in, let in”).

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 "intromission"?
"intromission" is spelled I-N-T-R-O-M-I-S-S-I-O-N. The IPA pronunciation is /ˌɪn.tɹəˈmɪʃ.ən/.
What does "intromission" mean?
As a noun, "intromission" means: The state of being allowed to enter; admittance
How do you pronounce "intromission"?
The IPA (International Phonetic Alphabet) transcription for "intromission" is /ˌɪn.tɹəˈmɪʃ.ən/. 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 "intromission"?
From Medieval Latin intrōmissiō, intrōmissiōn- (“introduction, admission; usurpation”), intro- (“into”) + missiō (“sending”), from Latin intrōmissus (“sent in, introduced, let in, admitted”), perfect passive participle of intrōmittō (“send in, let... 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 “intromission”

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

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