nonpotable

adj

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

The verdict

“nonpotable” is uncommon English (outside the top frequency list), classed as an adjective. 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) - Not drinkable.

Corpus desk

Index EN-nonpotable · nonpotable · English

nonpotable · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "N" 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 nonpotable
PropertyValue
Headwordnonpotable
LanguageEnglish
Part of speechAdjective
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “nonpotable” in English

nonpotablefalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

nonpotable is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Not drinkable.".

Our edit-distance generator produced no likely misspellings for nonpotable, and the word's spelling is regular enough that our generator found nothing worth flagging. No confusable counterpart is on file for this word, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From non- + potable. The correct English form is nonpotable, spelled N-O-N-P-O-T-A-B-L-E.

Definition

  1. 1
    Not drinkable.

Recorded use

Wiktionary example

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

  1. We found out too late that the water was nonpotable.

Etymology

From non- + potable.

Antonyms

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 "nonpotable"?
"nonpotable" is spelled N-O-N-P-O-T-A-B-L-E.
What does "nonpotable" mean?
As an adjective, "nonpotable" means: Not drinkable.
What is the origin of the word "nonpotable"?
From non- + potable. 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