thumbtack

/ˈθʌm.tæk/

//ˈθʌm.tæk// noun

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

The verdict

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

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A small nail-like tack with a slightly rounded head that can be pressed into place with light pressure from the thumb; used for hanging light articles on a wall or noticeboard.

Corpus desk

Index EN-thumbtack · thumbtack · English

thumbtack · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "T" 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 thumbtack
PropertyValue
Headwordthumbtack
LanguageEnglish
Part of speechNoun
IPA/ˈθʌm.tæk/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “thumbtack” in English

thumbtacksits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

thumbtack is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈθʌm.tæk/. Rarity is why readers land here mid-draft. Gloss: "A small nail-like tack with a slightly rounded head that can be pressed into place with light pressure from the thumb; used for hanging light articles on a wall or noticeboard.".

Zero misspellings are on record for thumbtack in our index, typically a sign the spelling maps closely to how the word sounds. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From thumb + tack. The correct English form is thumbtack, spelled T-H-U-M-B-T-A-C-K.

Definition

  1. 1
    A small nail-like tack with a slightly rounded head that can be pressed into place with light pressure from the thumb; used for hanging light articles on a wall or noticeboard.

Recorded use

Wiktionary example

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

  1. You say that I'm broke my nigga, how is that? Bitch I'm stickin to this paper like a thumbtack

Etymology

From thumb + tack.

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 "thumbtack"?
"thumbtack" is spelled T-H-U-M-B-T-A-C-K. The IPA pronunciation is /ˈθʌm.tæk/.
What does "thumbtack" mean?
As a noun, "thumbtack" means: A small nail-like tack with a slightly rounded head that can be pressed into place with light pressure from the thumb; used for hanging light articles on a wall or noticeboard.
How do you pronounce "thumbtack"?
The IPA (International Phonetic Alphabet) transcription for "thumbtack" is /ˈθʌm.tæk/. 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 "thumbtack"?
From thumb + tack. 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