defile

/dɪˈfaɪl/

//dɪˈfaɪl// verb

"defile" is a 6-letter English headword indexed on PlainSpell.

The verdict

“defile” is a moderately-common English word, ranked #44,153 in English word frequency and used as a verb.

#44,153
frequency rank, English
6
letters
8
tracked misspellings
17
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To make (someone or something) physically dirty or unclean; to befoul, to soil.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

defile vs devil
67% similar
defile vs Delle
50% similar
defile vs device
67% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for defile
PropertyValue
Headworddefile
LanguageEnglish
Part of speechVerb
IPA/dɪˈfaɪl/
Letters6
Frequency rank#44,153
Misspellings tracked8
Confusable pairs17
SourceWiktionary (kaikki.org)

Where “defile” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). defile lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for defile is 6 letters long, classified as a verb, and transcribed in the International Phonetic Alphabet as /dɪˈfaɪl/. Corpus data places it at rank #44,153 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 8 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 8 likely wrong-spelling variants for defile, with forms such as "ddefile", "deffile", and "defiel". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 17 confusable-pair relationships, "devil", "Delle", "device", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Late Middle English defilen (“to make dirty, befoul; rape; abuse; destroy; injure; oppress”) [and other forms], a variant of defoulen (“to make dirty, defile, pollute; have sexual intercourse with; rape; etc.”) (compare also defoilen). Defoulen is a bl… The correct English form is defile, spelled D-E-F-I-L-E.

Definition

  1. 1
    To make (someone or something) physically dirty or unclean; to befoul, to soil.
  2. 2
    To make (someone or something) morally impure or unclean; to corrupt, to tarnish.
  3. 3
    To act inappropriately towards or vandalize (something sacred or special); to desecrate, to profane.
  4. 4
    To cause (something or someone) to become ritually unclean.
  5. 5
    To deprive (someone) of their sexual chastity or purity, often not consensually; to deflower, to rape.
  6. 6
    To dishonour (someone).
  7. 7
    To become dirty or unclean.
  8. 8
    To cause uncleanliness; specifically, to pass feces; to defecate.

Etymology

From Late Middle English defilen (“to make dirty, befoul; rape; abuse; destroy; injure; oppress”) [and other forms], a variant of defoulen (“to make dirty, defile, pollute; have sexual intercourse with; rape; etc.”) (compare also defoilen). Defoulen is a blend of Middle English foulen (“to make dirty, soil, pollute”) (from the adjective foul (“dirty, rotten, stinking, corrupt, sinful, guilty”) and Old English fūlian (“to decay”)), and Old French defoler, defouler (“to trample, crush; destroy”), from de- (intensifying prefix) + foler, fouler, fuller (“to trample, tread on; mistreat, oppress, destroy”) (from Vulgar Latin fullāre (“to full (make cloth denser and firmer by soaking, beating, and pressing)”), from Latin fullō (“person who fulls cloth, fuller”); further etymology uncertain, possibly from Proto-Indo-European *bʰleh₃- (“to blow; to inflate, swell; to bloom, flower”) or Etruscan 𐌘𐌖𐌋𐌖 (φulu)). The English word is analysable as de- + file (“to corrupt; defile”). The Middle English word defilen was probably formed from defoulen on the analogy of befilen (“to make dirty, befoul; corrupt; violate one's chastity; desecrate; slander”) and befoulen (“to make dirty, befoul; violate one's chastity; vilify”), respectively from Old English befȳlan (“to befoul, pollute, defile, make filthy”) (compare also Middle English filen (“to make foul, impure, or unclean, pollute; pollute morally or spiritually; desecrate, profane; have sexual intercourse with; rape; etc.”)) and foulen (“to make dirty, pollute; become dirty; defecate; deface or deform; pollute morally or spiritually; damage, injure; destroy; treat unfairly, oppress; tread on, trample”). Filen and foulen are respectively from Old English fȳlan (“to befoul, defile, pollute”) and Old English fūlian (“to foul”), from Proto-West Germanic *fūlijan (“to make dirty, befoul”) and *fūlēn (“to become foul, decay”), both ultimately from Proto-Germanic *fūlaz (“dirty, foul; rotten”), from Proto-Indo-European *puH- (“foul; rotten”). See foul. Cognates * German Low German befulen (“to defile, sully”) * Dutch bevuilen (“to defile, soil”) * Scots befile (“to befoul, dirty”) * West Frisian befûjle (“to soil”)

This word in other languages

Common misspellings

Also misspelled as: ddefile,deffile,defiel,defille,deflie,deifle,dfeile,edfile

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of defile - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

ddefile1deffile1defiel2defille1deflie2deifle2dfeile2edfile2
Edit distance from "defile"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "defile"?
"defile" is spelled D-E-F-I-L-E. The IPA pronunciation is /dɪˈfaɪl/.
What does "defile" mean?
As a verb, "defile" means: To make (someone or something) physically dirty or unclean; to befoul, to soil.
What words are commonly confused with "defile"?
"defile" is commonly confused with "devil", "Delle", "device". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "defile"?
The IPA (International Phonetic Alphabet) transcription for "defile" is /dɪˈfaɪl/. 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 "defile"?
From Late Middle English defilen (“to make dirty, befoul; rape; abuse; destroy; injure; oppress”) [and other forms], a variant of defoulen (“to make dirty, defile, pollute; have sexual intercourse with; rape; etc.”) (compare also defoilen). Defoul... 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 “defile”

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

  • The one correct English spelling is D-E-F-I-L-E - every other letter order is a misspelling in standard orthography.
  • Say it as /dɪˈfaɪl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “devil” - see the side-by-side comparison. defile vs devil
  • 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 FrequencyWords open word-frequency list