Meanings
tf-idf1
nountf-idf (uncountable)
- uncountableAlternative letter-case form of TF-IDF.
TF-IDF2
nounTF-IDF (uncountable)
alternative tf-idf · alternative TF*IDF · alternative TF.IDF · alternative TFIDF
- uncountableinformation retrievalA mathematical approximation to the importance of a particular word in a given piece of text.
The relevance of a document to a given search query can be guessed using the TF-IDF of each word they have in common.
1 more example
And this distribution of word frequencies will ensure that your TF-IDF scores are more uniformly distributed.
2019, Hobson Lane, Cole Howard, Hannes Max Hapke, Natural Language Processing In Action […] , Shelter Island: Manning, →ISBN
Origin
Abbreviation of “term frequency over inverse document frequency”.
Full word history & related roots →Cite this entry
APA
tf-idf. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/tf-idf
MLA
“tf-idf.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tf-idf. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “tf-idf,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/tf-idf.
Source: tf-idf on Wiktionary, CC BY-SA 4.0.