(not comparable) Lacking a name; not named, for example an animal not assigned to any species. / (not comparable) Without any name acknowledged of a person responsible

The state or quality of being anonymous.

In an anonymous manner; without a name. / In an anonymous manner; without individuality.

A hacktivist group opposed to Internet censorship, government corruption, homophobia and Scientology. / (Internet slang) A member of an anonymous imageboard website, especially of 4chan.

An anonymous person. / An assumed or false name; a pseudonym. / (zoology) A mere name; a name resting upon no diagnosis or other recognized basis.

(uncountable) The quality or state of being anonymous. [from 19th c.] / (countable) That which is anonymous.

(transitive) To make or render anonymous (especially to remove personally identifying data).

(obsolete) Anonymous [16th–17th c.]

plural of anonymity

simple past tense and past participle of anonymize