shark week

noun

"shark-week" is a 9-letter English headword indexed on PlainSpell.

The verdict

“shark week” 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
10
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The week during which someone menstruates.

Key facts for shark week
PropertyValue
Headwordshark week
LanguageEnglish
Part of speechNoun
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “shark week” sits in English frequency

shark week 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 shark week is 10 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "The week during which someone menstruates.".

shark week doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: A jocular reference to Shark Week, an annual week-long marathon of shark-related programming on Discovery Channel, which, like a menstrual period, is bloody. The correct English form is shark week, spelled S-H-A-R-K- -W-E-E-K.

Definition

  1. 1
    The week during which someone menstruates.

Etymology

A jocular reference to Shark Week, an annual week-long marathon of shark-related programming on Discovery Channel, which, like a menstrual period, is bloody.

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 "shark week"?
"shark week" is spelled S-H-A-R-K- -W-E-E-K.
What does "shark week" mean?
As a noun, "shark week" means: The week during which someone menstruates.
What is the origin of the word "shark week"?
A jocular reference to Shark Week, an annual week-long marathon of shark-related programming on Discovery Channel, which, like a menstrual period, is bloody. 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 “shark week”

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

  • The one correct English spelling is S-H-A-R-K- -W-E-E-K - every other letter order is a misspelling in standard orthography.
  • 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