defedation

noun

"defedation" is a 10-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The process of polluting or making filthy; pollution.

Corpus desk

Index EN-defedation · defedation · English

defedation · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "D" 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 defedation
PropertyValue
Headworddefedation
LanguageEnglish
Part of speechNoun
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “defedation” in English

defedationranks 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

defedation is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The process of polluting or making filthy; pollution.".

defedation has no tracked misspelling variants, which points to an orthography that plays by predictable English rules. Our dataset records no confusable match here, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From Latin defoedatio, from Late Latin defoedare (“to defile”), from de- with foedare, present tense verb of foedo, from foedus (“foul”). The correct English form is defedation, spelled D-E-F-E-D-A-T-I-O-N.

Definition

  1. 1
    The process of polluting or making filthy; pollution.

Etymology

From Latin defoedatio, from Late Latin defoedare (“to defile”), from de- with foedare, present tense verb of foedo, from foedus (“foul”).

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 "defedation"?
"defedation" is spelled D-E-F-E-D-A-T-I-O-N.
What does "defedation" mean?
As a noun, "defedation" means: The process of polluting or making filthy; pollution.
What is the origin of the word "defedation"?
From Latin defoedatio, from Late Latin defoedare (“to defile”), from de- with foedare, present tense verb of foedo, from foedus (“foul”). 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