implausible

adj

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

"implausible" is a 11-letter English headword indexed on PlainSpell.

The verdict

“implausible” has 17 generated spelling variants in the English index at frequency #33,681. The variants make it a useful spelling check.

#33,681
frequency rank, English
2,140
“I” headwords
17
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Not plausible; unlikely; dubious.

Corpus desk

Index EN-implausible · implausible · English

implausible · rank #33,681 · 17 variants · 0 confusables

  • FREQ-MID #33,681
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 17 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH impervious

Nearest frequency peer: impervious (-1 rank slots)

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.

Rank peers near misspelling magnet “implausible”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “implausible” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for implausible
PropertyValue
Headwordimplausible
LanguageEnglish
Part of speechAdjective
Letters11
Frequency rank#33,681
Misspellings tracked17
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “implausible”

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

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “impervious” (#33,680), “imposter” (#33,682), “Igbo” (#33,679). Among 2,140 “I” headwords, “implausible” is #33,681. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 17 spelling variants around implausible, anadjective. Corpus frequency is #33,681 among 2,140 “I” headwords. Dominant gloss: "Not plausible; unlikely; dubious.".

Our generated misspelling index lists 17 likely wrong-spelling variants for implausible, with forms such as "imlpausible", "immplausible", and "impalusible". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From im- + plausible. The correct English form is implausible, spelled I-M-P-L-A-U-S-I-B-L-E.

Definition

  1. 1
    Not plausible; unlikely; dubious.

Recorded use

Wiktionary example

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

  1. Harper finds the idea that Latin developed into the modern Romance languages too implausible to believe.

Etymology

From im- + plausible.

Synonyms

unplausible

This word in other languages

inverosímil(Español)

Common misspellings

Also misspelled as:

  • imlpausible
  • immplausible
  • impalusible
  • implasuible
  • implauisble
  • implausable
  • implausbile
  • implausibble
  • implausibel
  • implausiblle
  • implausilbe
  • implaussible
  • impllausible
  • impluasible
  • impplausible
  • ipmlausible
  • miplausible

Misspelling Pattern Breakdown

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

imlpausible2immplausible1impalusible2implasuible2implauisble2implausable1implausbile2implausibble1
Edit distance from "implausible"

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 "implausible"?
"implausible" is spelled I-M-P-L-A-U-S-I-B-L-E.
What does "implausible" mean?
As an adjective, "implausible" means: Not plausible; unlikely; dubious.
What are common misspellings of "implausible"?
Common misspellings include "imlpausible", "immplausible", "impalusible", "implasuible", "implauisble". The correct spelling is "implausible".
What is the origin of the word "implausible"?
From im- + plausible. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "implausible", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

iconography#33,678intractable#33,689Kirkpatrick#33,703empirically#33,635

Similar misspelling depth

Headwords with a similar count of attested misspellings (17 here; floor ≥5).

disparaging17 variantsCharlemagne17 variantsradiological17 variantsunderpinning17 variants

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

Source: FrequencyWords open word-frequency list