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

And now the Meatpacking District is synonymous with fashion and luxury. —Ramin Setoodeh, Variety, 16 Oct. 2025

For decades, the Dominican Republic has been synonymous with turquoise waters, bachata rhythms and world-class hospitality. —Alberto Piantini, Boston Herald, 15 Oct. 2025

While Tom Wolfe is synonymous with New Journalism, Baum praised his editor. —Rosemary Feitelberg, Footwear News, 15 Oct. 2025

But, in the Midwest, where the holiday was popularized, Sweetest Day has become synonymous with Boyfriend Day, according to National Today. —Kaycee Sloan, Cincinnati Enquirer, 15 Oct. 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