card index

noun

Any index formed with index cards, as was common in many businesses before the microcomputer revolution.

“Near-synonym: card catalogue”

Similar
card cataloguecard catalog
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Meanings

nouncard index (plural card indexes or card indices)

plural card indexes · plural card indices

  1. librariesbusinessAny index formed with index cards, as was common in many businesses before the microcomputer revolution.

    Near-synonym: card catalogue

    Synonyms: card catalogue

Synonyms & antonyms

nounAny index formed with index cards, as was common in many businesses before the microcomputer revolution.

Similar
card catalogue

More synonyms by meaning

nounan alphabetical listing of items (e.g., books in a library) with a separate card for each item

Similar
card catalogcard catalogue
Broader
filefile cabinetfiling cabinet
Also see
card catalogue

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

card index. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/card%20index

MLA

“card index.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/card%20index. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “card index,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/card%20index.

Source: card index on Wiktionary, CC BY-SA 4.0.