having no name.

left unnamed

a certain person who shall be nameless.

anonymous

a nameless source of information.

incapable of being specified or described

a nameless charm.

too shocking or vile to be specified

a nameless crime.

having no legitimate paternal name, as a child born out of wedlock.

unknown to fame; obscure

a nameless poet; nameless defenders of the country.

noun

anonymity