whatsit

noun

"whatsit" is a 7-letter English headword indexed on PlainSpell.

The verdict

“whatsit” 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
7
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A thing (used in a vague way to refer to something whose name one cannot recall, or that one is embarrassed to say)

Key facts for whatsit
PropertyValue
Headwordwhatsit
LanguageEnglish
Part of speechNoun
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “whatsit” sits in English frequency

whatsit 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 whatsit is 7 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: "A thing (used in a vague way to refer to something whose name one cannot recall, or that one is embarrassed to say)".

The misspelling generator found no plausible variants for whatsit, which points to an orthography that plays by predictable English rules. 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: Univerbation of what + is + it. The correct English form is whatsit, spelled W-H-A-T-S-I-T.

Definition

  1. 1
    A thing (used in a vague way to refer to something whose name one cannot recall, or that one is embarrassed to say)

Etymology

Univerbation of what + is + it.

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 "whatsit"?
"whatsit" is spelled W-H-A-T-S-I-T.
What does "whatsit" mean?
As a noun, "whatsit" means: A thing (used in a vague way to refer to something whose name one cannot recall, or that one is embarrassed to say)
What is the origin of the word "whatsit"?
Univerbation of what + is + it. 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 “whatsit”

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

  • The one correct English spelling is W-H-A-T-S-I-T - 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