evolutionary theory

noun

"evolutionary-theory" is a 18-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
19
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A theory of evolution, especially the scientific theory of evolution through natural selection.

Corpus desk

Index EN-evolutionary-theory · evolutionary theory · English

evolutionary theory · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 19 letters
  • VOW-10 10 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "E" 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 evolutionary theory
PropertyValue
Headwordevolutionary theory
LanguageEnglish
Part of speechNoun
Letters19
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “evolutionary theory” in English

evolutionary theoryranks 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

evolutionary theory is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for evolutionary theory in our index, typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Wiktionary doesn't record an etymology for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is evolutionary theory, spelled E-V-O-L-U-T-I-O-N-A-R-Y- -T-H-E-O-R-Y.

Definition

  1. 1
    A theory of evolution, especially the scientific theory of evolution through natural selection.
  2. 2
    Any model of disequilibrium or accumulating change.

Recorded use

Wiktionary examples

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

  1. Opposed to the evolutionary theory of the universe is the theory of the steady state universe.
  2. A more refined version is the concept of restless capitalism developed by Metcalfe, working on the evolutionary theory of economic change by Nelson and Winter. In both cases, the economy is in a state of disequilibrium all of the time.

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 "evolutionary theory"?
"evolutionary theory" is spelled E-V-O-L-U-T-I-O-N-A-R-Y- -T-H-E-O-R-Y.
What does "evolutionary theory" mean?
As a noun, "evolutionary theory" means: A theory of evolution, especially the scientific theory of evolution through natural selection.
What language does "evolutionary theory" come from?
"evolutionary theory" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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