undurchlässig

[ˈʊndʊʁçˌlɛsɪç]

/[ˈʊndʊʁçˌlɛsɪç]/ adj

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“undurchlässig” is uncommon German (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency German
13
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - so, dass nichts es durchdringen kann

Corpus desk

Index DE-undurchlassig · undurchlässig · German

undurchlässig · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "U" thin
  • PHOTO-UNK Peer pending

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 undurchlässig
PropertyValue
Headwordundurchlässig
LanguageGerman
Part of speechAdjective
IPA[ˈʊndʊʁçˌlɛsɪç]
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Wo “undurchlässig” in der deutschen Häufigkeit sitzt

undurchlässigschafft es nicht in die Top 100.000 des Deutschen: Zone für Fach-, Alt- oder Seltenwortschatz.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

undurchlässig is uncommon German outside the top frequency list, classed as anadjective, transcribed [ˈʊndʊʁçˌlɛsɪç]. Rarity is why readers land here mid-draft. Gloss: "so, dass nichts es durchdringen kann".

undurchlässig doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable German rules. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.

Our source data has no etymology on file for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct German form is undurchlässig, spelled U-N-D-U-R-C-H-L-Ä-S-S-I-G.

Definition

  1. 1
    so, dass nichts es durchdringen kann

Recorded use

Wiktionary examples

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

  1. „Dies ist indessen nicht der einzige Weg zum Ziel. Man kann ebenso auf undurchlässigem Grunde mit einer Farbe malen, welche nur so viel Öl enthält, als zur Bindung erforderlich ist ….“
  2. „Aller Schmerz trat hinter ihn, er hatte sich nur zu erholen und innen hell zu werden, und in die Kissen eingeschmiegt glaubte er nicht anders, als daß es ganz dicht und undurchlässig sei angefüllt mit Glück, und je mehr dem Morgen zu, um so mehr gingen seine Träume mit seinem letzten Erlebnis statt mit dem vorletzten.“

Antonyms

durchlässig

This word in other languages

impermeable(English)

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 "undurchlässig"?
"undurchlässig" is spelled U-N-D-U-R-C-H-L-Ä-S-S-I-G. The IPA pronunciation is [ˈʊndʊʁçˌlɛsɪç].
What does "undurchlässig" mean?
As an adjective, "undurchlässig" means: so, dass nichts es durchdringen kann
How do you pronounce "undurchlässig"?
The IPA (International Phonetic Alphabet) transcription for "undurchlässig" is [ˈʊndʊʁçˌlɛsɪç]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "undurchlässig" come from?
"undurchlässig" is a German 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.

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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