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 …

—Runner's World

synonymously adverb

Examples of synonymous in a Sentence

Recent Examples on the Web

Gap is basically synonymous with go-to basics, and this V-neck is one such example of why. — Annie Blackman, InStyle, 23 June 2026

Amazon’s Prime Day—synonymous with deep discounts and deals—will run for four days, from June 23 until June 26, making this the second consecutive year Amazon has stretched the event beyond its original two-day format. — Vidhi Choudhary, Fortune, 23 June 2026

Of course, for many audiences, The Sound of Music is synonymous with the Oscar-winning 1965 film starring Julie Andrews and Christopher Plummer. — Dave Quinn, PEOPLE, 23 June 2026

World Cup fans were united this weekend by a song synonymous with belonging, nostalgia and the yearning for home. — Angela Yang, NBC news, 22 June 2026

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