pseudonymous

adjective

pseu·​don·​y·​mous sü-ˈdä-nə-məs 

: bearing or using a fictitious name

a pseudonymous report

also : being a pseudonym

pseudonymously adverb

pseudonymousness noun

Examples of pseudonymous in a Sentence

Recent Examples on the Web

In this edition…The Pentagon fight with Anthropic raises three crucial questions…OpenAI raises $110 billion in new funding…Meta experiments with an AI shopping assistant…LLMs can identify pseudonymous internet users at scale…data centers on the front lines in the Iran war. —Jeremy Kahn, Fortune, 3 Mar. 2026

Avoid contamination: Don’t send emails between your real and pseudonymous accounts. —Jp Aumasson, Wired News, 29 Nov. 2025

To reduce sensitive data, the system stores only pseudonymous resident profiles locally and doesn’t access cameras or microphones. —Keivan Navaie, IEEE Spectrum, 22 Oct. 2025

The book, forthcoming in 2027, is not about Central Park, but about his early career as a roving pseudonymous correspondent for the then fledgling New York Times in the antebellum South, reporting (in part) on the physical structure of plantations. —Chloe Schama, Vogue, 21 Aug. 2025

Word History

Etymology

Greek pseudōnymos

First Known Use

circa 1706, in the meaning defined above

Rhymes for pseudonymous

• euonymus
• elymus
• maximus
• epididymis
• grimace