incompatibilism

noun

"incompatibilism" is a 15-letter English headword indexed on PlainSpell.

The verdict

“incompatibilism” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
15
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The doctrine that free will and determinism are incompatible, that one necessarily precludes the other.

Corpus desk

Index EN-incompatibilism · incompatibilism · English

incompatibilism · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 15 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "I" 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 incompatibilism
PropertyValue
Headwordincompatibilism
LanguageEnglish
Part of speechNoun
Letters15
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “incompatibilism” in English

incompatibilismfalls 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

incompatibilism is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The doctrine that free will and determinism are incompatible, that one necessarily precludes the other.".

No misspelling variants are generated for incompatibilism in our index, a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From in- + compatibilism or incompatible + -ism. The correct English form is incompatibilism, spelled I-N-C-O-M-P-A-T-I-B-I-L-I-S-M.

Definition

  1. 1
    The doctrine that free will and determinism are incompatible, that one necessarily precludes the other.

Recorded use

Wiktionary example

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

  1. Because pretty much the same thing goes on in us when we have become the sort of person who would pull a trigger, or run into a building to save a child, or steal an extra cookie, or advocate hard incompatibilism in a book destined to be read only by two people who will hate it.

Etymology

From in- + compatibilism or incompatible + -ism.

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 "incompatibilism"?
"incompatibilism" is spelled I-N-C-O-M-P-A-T-I-B-I-L-I-S-M.
What does "incompatibilism" mean?
As a noun, "incompatibilism" means: The doctrine that free will and determinism are incompatible, that one necessarily precludes the other.
What is the origin of the word "incompatibilism"?
From in- + compatibilism or incompatible + -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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list