Synonyms of unacknowledged

1 Syllable

x

2 Syllables

backstairs, virtual, unsung, whatsis

3 Syllables

unnamed, unhailed, untitled, nameless, obscure, unclaimed, unheard-of, unfamed, unnoted

4 Syllables

anonymous, unglorified, unavowed, inconspicuous, incognito, unattested, pseudonymous, uncredited

5 Syllables

under-the-table, undistinguished, whatchamacallit, innominate, undesignated, uncelebrated