orthodoxy

noun

or·​tho·​doxy ˈȯr-thə-ˌdäk-sē 

plural orthodoxies

1

: the quality or state of being orthodox

2

: an orthodox belief or practice

3

Orthodoxy

a

: Eastern Orthodox Christianity

b

: orthodox judaism

Examples of orthodoxy in a Sentence

I was surprised by the orthodoxy of her political views.

He rejected the orthodoxies of the scientific establishment.

Recent Examples on the Web

Though many pretend otherwise, the once revolutionary sounds of the free jazz movement have shifted into their own form of orthodoxy, just like swing, bebop, and everything that preceded it. —Levi Dayan, Pitchfork, 11 May 2026

The four set lines enforce my preferred tab orthodoxy—four spaces, with tab and backspace both aware of this. —Lee Hutchinson, ArsTechnica, 6 May 2026

Finally, the proliferation of educational programs reflects – and creates – a need within orthodoxy. —Michal Raucher, The Conversation, 30 Apr. 2026

American humor has always been a tool for questioning orthodoxy, challenging certainty and keeping people from mistaking their sacred stories for reality. —Robert Lynch, Chicago Tribune, 3 Apr. 2026

Word History

First Known Use

1630, in the meaning defined at sense 1

Rhymes for orthodoxy

• dihydroxy
• alkoxy
• deoxy
• epoxy
• ethoxy
• hydroxy
• methoxy
• peroxy
• phenoxy
• boxy
• foxy
• oxy

Kids Definition

orthodoxy

noun

or·​tho·​doxy ˈȯr-thə-ˌdäk-sē 

plural orthodoxies

1

: the quality or state of being orthodox

2

: an orthodox belief or practice