thingummy

/ˈθɪŋəmi/

//ˈθɪŋəmi// noun

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

The verdict

“thingummy” 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
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Synonym of thingy: something one cannot remember the name of, or is unable to or does not care to specify precisely.

Key facts for thingummy
PropertyValue
Headwordthingummy
LanguageEnglish
Part of speechNoun
IPA/ˈθɪŋəmi/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “thingummy” sits in English frequency

thingummy 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 thingummy is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈθɪŋəmi/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

thingummy has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From thingum + -y. Compare thingamabob and thingamajig. The correct English form is thingummy, spelled T-H-I-N-G-U-M-M-Y.

Definition

  1. 1
    Synonym of thingy: something one cannot remember the name of, or is unable to or does not care to specify precisely.
  2. 2
    Synonym of whatshisname: someone one cannot remember the name of.

Etymology

From thingum + -y. Compare thingamabob and thingamajig.

Synonyms

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 "thingummy"?
"thingummy" is spelled T-H-I-N-G-U-M-M-Y. The IPA pronunciation is /ˈθɪŋəmi/.
What does "thingummy" mean?
As a noun, "thingummy" means: Synonym of thingy: something one cannot remember the name of, or is unable to or does not care to specify precisely.
How do you pronounce "thingummy"?
The IPA (International Phonetic Alphabet) transcription for "thingummy" is /ˈθɪŋəmi/. 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 "thingummy"?
From thingum + -y. Compare thingamabob and thingamajig. 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 “thingummy”

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

  • The one correct English spelling is T-H-I-N-G-U-M-M-Y - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈθɪŋəmi/ (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