apperception

/ˌæpəˈsɛpʃən/

//ˌæpəˈsɛpʃən// noun

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

The verdict

“apperception” 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 mind's perception of itself as the subject or actor in its own states, unifying past and present experiences; self-consciousness, perception that reflects upon itself.

Corpus desk

Index EN-apperception · apperception · English

apperception · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" 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 apperception
PropertyValue
Headwordapperception
LanguageEnglish
Part of speechNoun
IPA/ˌæpəˈsɛpʃən/
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “apperception” in English

apperceptionranks 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

apperception is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌæpəˈsɛpʃən/. Rarity is why readers land here mid-draft. 3 senses are on record.

We couldn't generate a plausible misspelling set for apperception, typically a sign the spelling maps closely to how the word sounds. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: Borrowed from French aperception (New Latin apperceptiō, used by Gottfried Leibnitz (1646–1716)). The correct English form is apperception, spelled A-P-P-E-R-C-E-P-T-I-O-N.

Definition

  1. 1
    The mind's perception of itself as the subject or actor in its own states, unifying past and present experiences; self-consciousness, perception that reflects upon itself.
  2. 2
    Psychological or mental perception; recognition.
  3. 3
    The general process or a particular act of mental assimilation of new experience into the totality of one's past experience.

Recorded use

Wiktionary examples

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

  1. Conception is... the simplest act of thinking; it is the apprehension of the universal, as perception is the apperception of the particular.
  2. For as she smiled I was gifted a glimpse past the apperception of an anonymous spherical quantity of human flesh; and into the individual.

Etymology

Borrowed from French aperception (New Latin apperceptiō, used by Gottfried Leibnitz (1646–1716)).

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 "apperception"?
"apperception" is spelled A-P-P-E-R-C-E-P-T-I-O-N. The IPA pronunciation is /ˌæpəˈsɛpʃən/.
What does "apperception" mean?
As a noun, "apperception" means: The mind's perception of itself as the subject or actor in its own states, unifying past and present experiences; self-consciousness, perception that reflects upon itself.
How do you pronounce "apperception"?
The IPA (International Phonetic Alphabet) transcription for "apperception" is /ˌæpəˈsɛpʃən/. 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 "apperception"?
Borrowed from French aperception (New Latin apperceptiō, used by Gottfried Leibnitz (1646–1716)). 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