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Definitions

mainframe

[meyn-freym] / ˈmeɪnˌfreɪm /
NOUN
central processing unit
Synonyms
WEAK
CPU central processor processor
NOUN
computer
Synonyms
STRONGEST
PC data processor desktop computer personal computer
STRONG
CPU central processing unit device handheld computer laptop machine micro microcomputer mini minicomputer notebook notebook computer processor tablet
WEAK
abacus artificial intelligence brain electronic brain number cruncher thinking machine
NOUN
data processor
Synonyms
WEAK
CPU Macintosh PC calculator laptop mac microcomputer number cruncher personal computer word processor
NOUN
management
Synonyms
STRONGEST
administration authority board executive
STRONG
bosses brass directorate directors employers execs executives head upstairs
WEAK
executive suite front office micro management person upstairs top brass
Antonyms
WEAK
employees mismanagement

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“It was a shot to the heart and the chest and the mainframe with Luka,” James told reporters.

From Los Angeles Times • Apr. 9, 2026

IBM suffered its worst day in 25 years, compounded by Anthropic’s announcement that its Claude AI could modernize COBOL, the programming language holding IBM’s mainframe empire together.

From MarketWatch • Mar. 19, 2026

“The mainframe serves as the backbone for the world’s largest enterprises managing the most complex and critical workloads,” Woodring wrote, ticking off banking systems, airline reservations, and transaction processing as a few examples.

From Barron's • Feb. 25, 2026

In his view, although alternatives have been available for decades, clients are sticking with mainframe for a host of reasons: reliability and speed advantages, better cost efficiency at scale, and security such as quantum-safe encryption.

From Barron's • Feb. 24, 2026

We were built so differently, he and I. For one thing, Barack’s head was an overpacked suitcase of information, a mainframe from which he could seemingly pull disparate bits of data at will.

From "Becoming" by Michelle Obama

Vocabulary lists containing mainframe

Computer Science and Technology - Middle School

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Computer Science and Technology - High School

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