- Without a name; not having been given a name; as, a
nameless star. - Undistinguished; not noted or famous. - Not known or mentioned by name; anonymous; as, a nameless
writer. - Unnamable; indescribable; inexpressible.
Meaning of 'nameless' (Princeton's WordNet)
1 . nameless
[ s]
Meaning (1): - being or having an unknown or unnamed source