hydrophobia

/ˌhʌɪ.dɹə(ʊ)ˈfəʊ.bɪ.ə/

//ˌhʌɪ.dɹə(ʊ)ˈfəʊ.bɪ.ə// noun

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

The verdict

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

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An aversion to water, as a symptom of rabies; the disease of rabies itself.

Corpus desk

Index EN-hydrophobia · hydrophobia · English

hydrophobia · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "H" 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 hydrophobia
PropertyValue
Headwordhydrophobia
LanguageEnglish
Part of speechNoun
IPA/ˌhʌɪ.dɹə(ʊ)ˈfəʊ.bɪ.ə/
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “hydrophobia” in English

hydrophobiaranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

hydrophobia is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌhʌɪ.dɹə(ʊ)ˈfəʊ.bɪ.ə/. Rarity is why readers land here mid-draft. 3 senses are on record.

We couldn't generate a plausible misspelling set for hydrophobia, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From Middle English idroforbia (“hydrophobia”), from Latin hydrophobia, from Ancient Greek ὑδροφοβία (hudrophobía), from ὑδρο- (hudro-), combining form of ῠ̔́δωρ (hŭ́dōr, “water”), + φοβία (phobía, “phobia”). The word is analysable as hydro- + -phobia. The correct English form is hydrophobia, spelled H-Y-D-R-O-P-H-O-B-I-A.

Definition

  1. 1
    An aversion to water, as a symptom of rabies; the disease of rabies itself.
  2. 2
    A morbid fear of water; aquaphobia.
  3. 3
    A lack of affinity for water; the quality of being hydrophobic

Recorded use

Wiktionary examples

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

  1. […] Cato, who ſcorned both death and fortune, could not abide the ſight of a looking glaſſe or of water; overcome with horrour, and quelled with amazement, if by the contagion of a mad dog he had falne into that ſickneſſe which Phiſitians call Hydroforbia, or feare of waters.
  2. Now that I have breathed a little, I am anxious to know your opinion of the nature of that affection in the throat, which deprives a patient of the power of ſwallowing in conſequence of hydrophobia.

Etymology

From Middle English idroforbia (“hydrophobia”), from Latin hydrophobia, from Ancient Greek ὑδροφοβία (hudrophobía), from ὑδρο- (hudro-), combining form of ῠ̔́δωρ (hŭ́dōr, “water”), + φοβία (phobía, “phobia”). The word is analysable as hydro- + -phobia.

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 "hydrophobia"?
"hydrophobia" is spelled H-Y-D-R-O-P-H-O-B-I-A. The IPA pronunciation is /ˌhʌɪ.dɹə(ʊ)ˈfəʊ.bɪ.ə/.
What does "hydrophobia" mean?
As a noun, "hydrophobia" means: An aversion to water, as a symptom of rabies; the disease of rabies itself.
How do you pronounce "hydrophobia"?
The IPA (International Phonetic Alphabet) transcription for "hydrophobia" is /ˌhʌɪ.dɹə(ʊ)ˈfəʊ.bɪ.ə/. 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 "hydrophobia"?
From Middle English idroforbia (“hydrophobia”), from Latin hydrophobia, from Ancient Greek ὑδροφοβία (hudrophobía), from ὑδρο- (hudro-), combining form of ῠ̔́δωρ (hŭ́dōr, “water”), + φοβία (phobía, “phobia”). The word is analysable as hydro- + -ph... 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