indexless

/'indekslis/

Thân thiện

A thick, indexless book sits open on the library table.

Definition

1. Adjective:
   • Lacking an index: Describes something, typically a book, document, or database, that does not contain an alphabetical or systematic list of topics, names, etc., with references to where they occur.

Usage Examples

• Adjective:
  • The old encyclopedia was indexless, making it difficult to find specific information quickly.
  • Many early scientific journals were published as indexless volumes.
  • The professor complained that the new textbook was indexless, which was a major oversight for a reference work.

Advanced Usage

• Technical/Computing Context: In computing, an indexless database table or data structure is one that has not been optimized with an index, leading to slower search performance.
  • Querying the indexless table resulted in a full scan, which was very inefficient.

Variants and Related Words

• Index (n): An alphabetical list of topics, names, etc., with references to where they occur in a book or collection.
• Index (v): To provide a book or collection with an index.
• Indexed (adj): Having an index.
• Indexer (n): A person or program that compiles an index.

Synonyms

• Unindexed: Not provided with an index.
• Without an index: Lacking an index (a more common descriptive phrase).

Antonyms

• Indexed: Having an index.
• Cross-referenced: Provided with a system of references between related items.

Học thuật

Adjective

1. lacking an index