THESAURUS
anonymous
closet, cryptonymic, cryptonymous, incognito, inmost, innermost, innominate, interior, intimate, inward, isolated, nameless, personal, private, privy, retired, secluded, sequestered, unacknowledged, undefined, undesignated, unidentified, unknown, unnamed, unrecognized, unspecified, withdrawn, without a name
ROGET THESAURUS
anonymous
Misnomer
N
misnomer, lucus a non lucendo, Mrs, Malaprop, what d'ye call 'em, Hoosier, nickname, sobriquet, by-name, assumed name, assumed title, alias, nom de course, nom de theatre, nom de guerre, nom de plume, pseudonym, pseudonymy, misnamed, pseudonymous, soi-disant, self called, self styled, self christened, so-called, nameless,
anonymous, without a having no name, innominate, unnamed, unacknowledged, in no sense.