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

The charismatic Stewart became synonymous with Mizzou during a terrific career, going 634-333 in 32 seasons at MU and earning a place in the National Collegiate Basketball Hall of Fame. —Kansas City Star, 28 Mar. 2026

Another Actor Turned Down ‘Forrest Gump’ Before Hanks became synonymous with the character, John Travolta was offered the part. —Samantha Agate, Sacbee.com, 28 Mar. 2026

Fans would forever approach him for the iconic line, which became nearly synonymous with his on-screen persona. —Charisma Madarang, Rolling Stone, 27 Mar. 2026

In spaceflight history, his name is synonymous with NASA's original moon program, which flew between 1961 and 1972 and culminated in six successful lunar landings. —Samantha Mathewson, Space.com, 26 Mar. 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