Synonyms of anonymous in English:

anonymous


See US English definition of anonymous

See UK English definition of anonymous

See Spanish definition of anónimo

adjective

1‘an anonymous donor’

SYNONYMS
unnamed, of unknown name, nameless, incognito, unidentified, unknown, unspecified, undesignated, unacknowledged, mystery
unsung
rare innominate
ANTONYMS

known, identified

2‘an anonymous letter’

SYNONYMS
unsigned, unattributed, unattested, uncredited
ANTONYMS

signed

3‘an anonymous London housing estate’

SYNONYMS
characterless, unremarkable, nondescript, impersonal, faceless, colourless, grey