classifier

/ˈklæsɪfaɪɚ/

//ˈklæsɪfaɪɚ// noun

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

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

The verdict

“classifier” is a moderately-common English word, ranked #43,570 in English word frequency and used as a noun.

#43,570
frequency rank, English
10
letters
13
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Someone who classifies.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

classifier vs classified
90% similar
classifier vs classifieds
82% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for classifier
PropertyValue
Headwordclassifier
LanguageEnglish
Part of speechNoun
IPA/ˈklæsɪfaɪɚ/
Letters10
Frequency rank#43,570
Misspellings tracked13
Confusable pairs2
SourceWiktionary (kaikki.org)

Where “classifier” 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). classifier lands here:

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

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

Spelling & Dictionary Insight

The English entry for classifier is 10 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈklæsɪfaɪɚ/. Corpus data places it at rank #43,570 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 13 likely wrong-spelling variants for classifier, with forms such as "calssifier", "cclassifier", and "clasifier". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 2 confusable-pair relationships, "classified", "classifieds", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From classify + -er. The correct English form is classifier, spelled C-L-A-S-S-I-F-I-E-R.

Definition

  1. 1
    Someone who classifies.
  2. 2
    A word or morpheme used in some languages (such as CJKV languages and American Sign Language), in certain contexts (such as counting), to indicate the semantic class to which something belongs.
  3. 3
    A machine that separates particles or objects of different size or density.
  4. 4
    A program or algorithm that classifies.
  5. 5
    A metaclass used to group other entities having common features.

Etymology

From classify + -er.

This word in other languages

classificateur(Français)Zählwort(Deutsch)classificador(Português)

Common misspellings

Also misspelled as: calssifier,cclassifier,clasifier,clasisfier,classfiier,classifeir,classiffier,classifierr,classifire,classiifer,cllassifier,clsasifier,lcassifier

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of classifier - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

calssifier2cclassifier1clasifier1clasisfier2classfiier2classifeir2classiffier1classifierr1
Edit distance from "classifier"

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 "classifier"?
"classifier" is spelled C-L-A-S-S-I-F-I-E-R. The IPA pronunciation is /ˈklæsɪfaɪɚ/.
What does "classifier" mean?
As a noun, "classifier" means: Someone who classifies.
What words are commonly confused with "classifier"?
"classifier" is commonly confused with "classified", "classifieds". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "classifier"?
The IPA (International Phonetic Alphabet) transcription for "classifier" is /ˈklæsɪfaɪɚ/. 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 "classifier"?
From classify + -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 “classifier”

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

  • The one correct English spelling is C-L-A-S-S-I-F-I-E-R - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈklæsɪfaɪɚ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “classified” - see the side-by-side comparison. classifier vs classified
  • 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