true believer

noun

1

: a person who professes absolute belief in something

2

: a zealous supporter of a particular cause

Synonyms of true believer

• partisan
• militant
• crusader
• activist

Examples of true believer in a Sentence

they were true believers in an antimaterialist lifestyle, as evidenced by their lack of possessions

true believers who fought the good fight even when it was out of fashion

Recent Examples on the Web

Remembering Dolores Huerta The fiery and resolute activist who helped launch and guide the nation’s first enduring labor union for poor farmworkers, and later became an inspiration to women and liberal true believers, has died. — Jack Dolan, Los Angeles Times, 29 Oct. 2026

Those companies don’t strike me as being run by idealistic true believers. — Nilay Patel, The Verge, 26 Oct. 2026

Unsurprisingly, Altman, 41, is a true believer in the society-changing potential of AI. — Alyson Shontell, Fortune, 5 Oct. 2026

The show lures corporate sponsors to the marketing mecca, where brands hope to convert experience seekers into true believers, eventually disciples. — Merlisa Lawrence Corbett, Forbes.com, 29 Aug. 2026

Word History

First Known Use

15th century, in the meaning defined at sense 1

Rhymes for true believer

• unbeliever
• achiever
• deceiver
• perceiver
• receiver
• reliever
• retriever
• transceiver
• cleaver
• fever
• leaver
• weaver