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Showing results for mainframe.
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.

“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

“But the COBOL-based mainframe remains deeply embedded in large enterprises.”

From Barron's • Feb. 25, 2026

“The idea of shifting off of mainframe is not a new concept,” he said in a note to clients.

From MarketWatch • Feb. 24, 2026

But IBM’s z17 mainframe has still proved popular, Daryanani added, with customers seemingly gravitating toward benefits like 100% uptime, quality encryption and cost efficiencies.

From MarketWatch • Feb. 24, 2026

If they could find that, Sinclair Scientifica’s mainframe would be within reach.

From "City Spies" by James Ponti

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.