Standard Lemma guide

TF-IDF

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A mathematical approximation to the importance of a particular word in a given piece of text.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Qualifier: information retrieval

Examples

  • The relevance of a document to a given search query can be guessed using the TF-IDF of each word they have in common.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Alternative letter-case form of TF-IDF.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Abbreviation of “term frequency over inverse document frequency”.