Anonymous - Definition, Meaning & Synonyms

SKIP TO CONTENT anonymous /əˈnɑnəməs/ /əˈnɒnɪməs/ IPA guide

If you don't know who wrote a poem, the author is anonymous. If you don't know who donated a gift to a museum, it's called an anonymous gift from an anonymous donor. Anonymous means a person unknown.

Alcoholics Anonymous takes its name from the fact that it's a confidential group––people use only their first names and do not identify one another as members of the group. Another related meaning of anonymous is to describe something that does not have any special qualities. If you work in an anonymous office building, its design is pretty typical and not very interesting.

Definitions of anonymous
  1. adjective having no known name or identity or known source “anonymous authors” “anonymous donors” “an anonymous gift” synonyms: anon. nameless, unidentified, unknown, unnamed being or having an unknown or unnamed source see moresee less antonyms: onymous bearing a name binomial, binominal having or characterized by two names, especially those of genus and species in taxonomies pseudonymous bearing or identified by an assumed (often pen) name show more antonyms...
  2. adjective not known or lacking marked individuality “brown anonymous houses” “anonymous bureaucrats in the Civil Service” synonyms: faceless without a face or identity
Pronunciation US /əˈnɑnəməs/ UK /əˈnɒnɪməs/ Cite this entry Style: MLA
  • MLA
  • APA
  • Chicago
Copy citation DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘anonymous'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback Word Family

Vocabulary lists containing anonymous

100 SAT Words Beginning with "A"

What better way to prepare for the sentence completion and passage-based questions on the SAT than to commit yourself to completing our alphabetically organized SAT lists?

Find lists of SAT words organized by every letter of the alphabet here: A, B, C, D, E, F, G, H, I, J, K & L, M, N, O, P, Q, R, S, T, U, V, and W, X, Y & Z.

view more about the vocabulary list Don't Distress: Words With Irregular Opposites

Up, down, left, right: many words have easy opposites that we all know. Or sometimes we just add un-, anti-, or dis- in front of a word and that takes care of it. But what about words that don't follow the rules? Check out this list and see how many you know!

view more about the vocabulary list Walk Two Moons Sharon Creech

While trying to track down her missing mother, thirteen-year-old Salamanca entertains her grandparents with strange stories about a girl named Phoebe Winterbottom.

MORE VOCABULARY LISTS 2 million people are mastering new words. Master a word

Sign up now (it’s free!)

Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.

Get started Learn with us
  • Learner subscriptions
  • Vocabulary lists
  • Dictionary
  • Test Prep
  • Join a Vocabulary Jam
  • Commonly confused words
  • Word of the day
Teach with us
  • For educators
  • For schools and districts
  • How it works
  • Success stories
  • Research
  • Professional development
  • Contact sales
Resources
  • Help articles/FAQ
  • Teaching resources
  • Learner resources
  • ESL/ELL resources
  • Grade level resources
  • IPA Pronunciation
  • Contact support
Leaderboards
  • Vocabulary Bowl
  • Today's leaders
  • Weekly leaders
  • Monthly leaders
About
  • Our Mission
  • Blog
  • Tell us what you think
  • Privacy Policy
  • Terms of Use
My Account Log in Sign up
    My Account
  • Log Out
  • My Learning
  • My Proficiency Report
  • My Profile
  • Schools & Teachers
  • My Classes
  • Assignments & Activities
  • My Lists
    • Find a List to Learn...
    • Create a New List...
  • My Progress
    • Words I'm Learning
    • My Trouble Words
    • Words I've Mastered
    • My Achievements
  • User Administration
  • User Authentication
  • My Account
IXL Learning

Comprehensive K-12 personalized learning

Rosetta Stone

Immersive learning for 25 languages

Wyzant

Trusted tutors ready to help in 300+ subjects

Education.com

35,000 worksheets, games, and lesson plans

TPT

Marketplace for millions of educator-created resources

ABCya

Fun educational games for kids

SpanishDictionary.com

Spanish-English dictionary, translator, and learning

Inglés.com

Diccionario inglés-español, traductor y sitio de aprendizaje

Emmersion

Fast and accurate language certification

FrenchDictionary.com

French-English dictionary, translator, and learning

vocabulary.com logo Copyright © 2026 Vocabulary.com, Inc. A division of IXL Learning All Rights Reserved. IXL logo Facebook logo X.com logo Instagram logo LinkedIn logo

Tag » How Do You Spell Anonymous