waterproof

/ˈwɔːtəˌpruːf/

//ˈwɔːtəˌpruːf// adj

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

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

The verdict

“waterproof” has 15 generated spelling variants in the English index at frequency #14,049. The variants make it a useful spelling check.

#14,049
frequency rank, English
1,759
“W” headwords
15
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Resistant to the effects of water.

Corpus desk

Index EN-waterproof · waterproof · English

waterproof · rank #14,049 · 15 variants · 0 confusables

  • FREQ-MID #14,049
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 15 variants
  • BOOK-MID 1,759
  • PHOTO-FINISH ware

Nearest frequency peer: ware (-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 “waterproof”

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

corpus weight

What this shows “waterproof” 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 waterproof
PropertyValue
Headwordwaterproof
LanguageEnglish
Part of speechAdjective
IPA/ˈwɔːtəˌpruːf/
Letters10
Frequency rank#14,049
Misspellings tracked15
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “waterproof”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).waterprooflands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “ware” (#14,048), “Viktor” (#14,047), “whining” (#14,051). Among 1,759 “W” headwords, “waterproof” is #14,049. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around waterproof (IPA /ˈwɔːtəˌpruːf/), anadjective. Corpus frequency is #14,049 among 1,759 “W” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 15 likely wrong-spelling variants for waterproof, with forms such as "awterproof", "waetrproof", and "wateprroof". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From water + -proof. Compare West Frisian wetterproef (“waterproof”), Dutch waterproef (“waterproof”). The correct English form is waterproof, spelled W-A-T-E-R-P-R-O-O-F.

Definition

  1. 1
    Resistant to the effects of water.
  2. 2
    Made of or covered with material that doesn't allow water in.
  3. 3
    Incapable of failing; unassailable.

Recorded use

Wiktionary examples

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

  1. The captain did a safety drill. This covered where the emergency position-indicating radio beacon (EPIRB) was located, how to make a mayday call, and where the fire extinguishers were. A crew member demonstrated how to put on an immersion suit. These survival suits are waterproof full-body garments with a hood and integral three-finger gloves and boots. T…
  2. The only waterproof plan and the one increasingly adopted by leading trades is the consolidation of the interests of all parties in a scheme of amalgamation.

Etymology

From water + -proof. Compare West Frisian wetterproef (“waterproof”), Dutch waterproef (“waterproof”).

Synonyms

waterfastwatertight

This word in other languages

impermeable(Español)waterproof(Français)wasserfest(Deutsch)impermeável(Português)

Common misspellings

Also misspelled as:

  • awterproof
  • waetrproof
  • wateprroof
  • waterporof
  • waterpproof
  • waterprof
  • waterprofo
  • waterprooff
  • waterprroof
  • waterrpoof
  • waterrproof
  • watreproof
  • watterproof
  • wtaerproof
  • wwaterproof

Misspelling Pattern Breakdown

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

awterproof2waetrproof2wateprroof2waterporof2waterpproof1waterprof1waterprofo2waterprooff1
Edit distance from "waterproof"

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 "waterproof"?
"waterproof" is spelled W-A-T-E-R-P-R-O-O-F. The IPA pronunciation is /ˈwɔːtəˌpruːf/.
What does "waterproof" mean?
As an adjective, "waterproof" means: Resistant to the effects of water.
What are common misspellings of "waterproof"?
Common misspellings include "awterproof", "waetrproof", "wateprroof", "waterporof", "waterpproof". The correct spelling is "waterproof".
How do you pronounce "waterproof"?
The IPA (International Phonetic Alphabet) transcription for "waterproof" is /ˈwɔːtəˌpruːf/. 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 "waterproof"?
From water + -proof. Compare West Frisian wetterproef (“waterproof”), Dutch waterproef (“waterproof”). 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 "waterproof", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

turbulence#14,040administer#14,059admittedly#14,060sustaining#14,033

Similar misspelling depth

Headwords with a similar count of attested misspellings (15 here; floor ≥5).

regulating15 variantsprevailing15 variantsovercoming15 variantshomecoming15 variants

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

Source: FrequencyWords open word-frequency list