brackish water

noun

"brackish-water" is a 13-letter English headword indexed on PlainSpell.

The verdict

“brackish water” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
14
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Water whose salinity falls between that of fresh water and that of seawater.

Corpus desk

Index EN-brackish-water · brackish water · English

brackish water · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 14 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "B" 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 brackish water
PropertyValue
Headwordbrackish water
LanguageEnglish
Part of speechNoun
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “brackish water” in English

brackish watersits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

brackish water is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Water whose salinity falls between that of fresh water and that of seawater.".

brackish water doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From brackish + water. The correct English form is brackish water, spelled B-R-A-C-K-I-S-H- -W-A-T-E-R.

Definition

  1. 1
    Water whose salinity falls between that of fresh water and that of seawater.

Recorded use

Wiktionary example

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

  1. White Slough is a large tidal wetland full of brackish water from the Napa River that flows into the city of Vallejo from under Highway 37.

Etymology

From brackish + water.

This word in other languages

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 "brackish water"?
"brackish water" is spelled B-R-A-C-K-I-S-H- -W-A-T-E-R.
What does "brackish water" mean?
As a noun, "brackish water" means: Water whose salinity falls between that of fresh water and that of seawater.
What is the origin of the word "brackish water"?
From brackish + water. 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