Synonyms of anonymous

1 Syllable
x
2 Syllables
pseudo, unknown, secret, incog, unsung, whatsis, bearding
3 Syllables
unbeknownst, unsigned, unnamed, so-and-so, such-and-such, unhailed, nameless, unclaimed, undubbed
4 Syllables
unexplained, unheralded, unperceived, unglorified, unavowed, incognito, undisclosed, pseudonymous, unattested, uncredited, unspecified
5 Syllables
unrecognized, whatchamacallit, unascertained, unapprehended, undesignated, innominate, unidentified, unacknowledged