Synonyms of unrecognized

2 Syllables
hidden, unknown, incog, masked, unsung, thankless, bearded
3 Syllables
concealed, unbeknownst, so-and-so, such-and-such, unhailed, disguised, obscure
4 Syllables
unremarked, camouflaged, unobserved, anonymous, masquerading, unexplained, unheralded, unperceived, unglorified, unnoticed, incognito, isolated, unreturned
5 Syllables
unapprehended, unascertained, unidentified