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

These apps can then link pseudonymous web identities with actual user identities, even in private browsing modes, effectively de-anonymizing users’ browsing habits on sites containing these trackers. —Dan Goodin, ArsTechnica, 3 June 2025

Because crypto wallets are pseudonymous, most participants in the competition appeared only as three- to four-letter usernames linked to cryptographic wallet addresses. —Mackenzie Sigalos, CNBC, 22 May 2025

Fizz is a pseudonymous, hyperlocal app born on college campuses. —Ian Shepherd, Forbes.com, 18 Apr. 2025

Centuries later, a pseudonymous cryptographer named Satoshi Nakamoto took further inspiration from the fathers’ efforts to decentralize government with a document designed to decentralize money. —Edan Yago, Forbes, 6 Nov. 2024

Word History

Etymology

Greek pseudōnymos

First Known Use

circa 1706, in the meaning defined above

Rhymes for pseudonymous

• euonymus
• elymus
• maximus
• epididymis
• grimace