paroxysm

/ˈpæɹəksɪz(ə)m/

//ˈpæɹəksɪz(ə)m// noun

"paroxysm" is a 8-letter English headword indexed on PlainSpell.

The verdict

“paroxysm” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A period (especially one of several recurring periods) during the course of an illness when symptoms worsen; a sudden attack of a disease symptom, such as a bout of coughing or a seizure.

Key facts for paroxysm
PropertyValue
Headwordparoxysm
LanguageEnglish
Part of speechNoun
IPA/ˈpæɹəksɪz(ə)m/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “paroxysm” sits in English frequency

paroxysm falls 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.

Spelling & Dictionary Insight

The English entry for paroxysm is 8 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈpæɹəksɪz(ə)m/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.

paroxysm doesn't appear in our generated misspelling index, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From Late Middle English paroxism, paroxisme (“period of worsening of a disease, attack; sudden recurrent fever”), from Middle French paroxisme, paroxysme, and Old French peroxime (“period of worsening of a disease; bout of fever or illness”) (modern French… The correct English form is paroxysm, spelled P-A-R-O-X-Y-S-M.

Definition

  1. 1
    A period (especially one of several recurring periods) during the course of an illness when symptoms worsen; a sudden attack of a disease symptom, such as a bout of coughing or a seizure.
  2. 2
    Chiefly followed by of: a sudden outburst of violent activity or feeling; also, the most severe part of an activity or incident; the climax.
  3. 3
    An outburst of a violent argument or disagreement.
  4. 4
    A violent occurrence of a natural phenomenon, such as an earthquake, thunderstorm, or volcanic eruption; specifically (volcanology), the most explosive event during a series of volcanic eruptions.
  5. 5
    Disastrous or sudden change.

Etymology

From Late Middle English paroxism, paroxisme (“period of worsening of a disease, attack; sudden recurrent fever”), from Middle French paroxisme, paroxysme, and Old French peroxime (“period of worsening of a disease; bout of fever or illness”) (modern French paroxysme), and from their etymon Late Latin paroxismus, paroxysmus (“a fit; onset of a disease; violent impulse or sadness”), from Ancient Greek πᾰροξῠσμός (păroxŭsmós, “exasperation, irritation; severe fit of a disease”), from πᾰροξῡ́νω (păroxū́nō, “to irritate, provoke”) (from παρα- (para-, prefix meaning ‘parallel to but separate from or going beyond, beside’) + ὀξῡ́νω (oxū́nō, “to provoke; to sharpen”) (from ὀξῠ́ς (oxŭ́s, “sharp”), probably ultimately from Proto-Indo-European *h₂eḱ- (“sharp”))) + -μός (-mós, suffix forming abstract nouns). By surface analysis, para- + oxy- + -ism.

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 "paroxysm"?
"paroxysm" is spelled P-A-R-O-X-Y-S-M. The IPA pronunciation is /ˈpæɹəksɪz(ə)m/.
What does "paroxysm" mean?
As a noun, "paroxysm" means: A period (especially one of several recurring periods) during the course of an illness when symptoms worsen; a sudden attack of a disease symptom, such as a bout of coughing or a seizure.
How do you pronounce "paroxysm"?
The IPA (International Phonetic Alphabet) transcription for "paroxysm" is /ˈpæɹəksɪz(ə)m/. 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 "paroxysm"?
From Late Middle English paroxism, paroxisme (“period of worsening of a disease, attack; sudden recurrent fever”), from Middle French paroxisme, paroxysme, and Old French peroxime (“period of worsening of a disease; bout of fever or illness”) (mod... 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.

Using “paroxysm”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is P-A-R-O-X-Y-S-M - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈpæɹəksɪz(ə)m/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list