synonymous

adjective

syn·​on·​y·​mous sə-ˈnä-nə-məs 

1

: having the character of a synonym

also : alike in meaning or significance

2

: having the same connotations, implications, or reference

to runners, Boston is synonymous with marathon

—Runners World

synonymously adverb

Examples of synonymous in a Sentence

Recent Examples on the Web

The play has become synonymous with DeJean. —Zach Berman, New York Times, 10 Sep. 2025

For so long, London’s bar scene has been synonymous with gin. —Jillian Dara, Forbes.com, 9 Sep. 2025

In an uneven society, however, where differences are synonymous with barriers, fitting in becomes conforming—style, ideas, culture, etc. —Literary Hub, 9 Sep. 2025

MacDowell has long been vocal about defying societal beauty standards for older women and has, in fact, expressed her views on aging by simply embracing her gray hair, a look that has now become synonymous with her on and off the red carpet. —Michelle Lee, PEOPLE, 9 Sep. 2025

Word History

First Known Use

1610, in the meaning defined at sense 1

Rhymes for synonymous

• anonymous
• autonomous
• economise
• eponymous

Kids Definition

synonymous

adjective

syn·​on·​y·​mous sə-ˈnän-ə-məs 

1

: alike in meaning

2

: suggesting the same thing

a brand name that is synonymous with quality

synonymously adverb

Etymology

from Latin synonymus "synonymous," from Greek synōnymos, literally, "having the same name," from syn- "together, along with" and onyma, onoma "name" — related to anonymous, symposium, synagogue, synchronous