quantifier

/ˈkwɑn.tɪ.faɪ.ɚ/

//ˈkwɑn.tɪ.faɪ.ɚ// noun

By · According to Wiktionary data (CC BY-SA) ·

"quantifier" is a 10-letter English headword indexed on PlainSpell.

The verdict

“quantifier” is uncommon English (frequency #89,811 among 2,880 “Q” headwords), classed as a noun. The kind of spelling people second-guess.

#89,811
frequency rank, English
2,880
“Q” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A word, such as all or many, that expresses the quantity of a related noun.

Key facts for quantifier
PropertyValue
Headwordquantifier
LanguageEnglish
Part of speechNoun
IPA/ˈkwɑn.tɪ.faɪ.ɚ/
Letters10
Frequency rank#89,811
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “quantifier” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). quantifier lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

quantifier is uncommon English at frequency #89,811 among 2,880 “Q” headwords, classed as anoun, transcribed /ˈkwɑn.tɪ.faɪ.ɚ/. Rarity is why readers land here mid-draft. 3 senses are on record.

The misspelling generator found no plausible variants for quantifier, typically a sign the spelling maps closely to how the word sounds. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From quantify + -er. The correct English form is quantifier, spelled Q-U-A-N-T-I-F-I-E-R.

Definition

  1. 1
    A word, such as all or many, that expresses the quantity of a related noun.
  2. 2
    An operator, such as the universal quantifier (written as ∀) or the existential quantifier (∃), used in predicate calculus to indicate the degree that predicate is true for a specified set.
  3. 3
    A symbol or symbols in a regular expression indicating the number of characters to be matched.

Etymology

From quantify + -er.

Synonyms

quantifier

This word in other languages

quantificateur(Français)Quantor(Deutsch)quantificador(Português)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "quantifier"?
"quantifier" is spelled Q-U-A-N-T-I-F-I-E-R. The IPA pronunciation is /ˈkwɑn.tɪ.faɪ.ɚ/.
What does "quantifier" mean?
As a noun, "quantifier" means: A word, such as all or many, that expresses the quantity of a related noun.
How do you pronounce "quantifier"?
The IPA (International Phonetic Alphabet) transcription for "quantifier" is /ˈkwɑn.tɪ.faɪ.ɚ/. 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 "quantifier"?
From quantify + -er. 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 “quantifier”

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

  • The one correct English spelling is Q-U-A-N-T-I-F-I-E-R - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈkwɑn.tɪ.faɪ.ɚ/ (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

Other uncommon English words near this rank

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