Adjective unnamed has 1 sense

1. nameless, unidentified, unknown, unnamed - being or having an unknown or unnamed source; "a poem by an unknown author"; "corporations responsible to nameless owners"; "an unnamed donor"
   Antonym: onymous (indirect, via anonymous)
   

Unnamed

Noun

Sense 1: A person or thing that remains unidentified or without a name.

Example Sentence: The author of the anonymous letter is still unnamed.

Sense 2: In computing, a file or variable that has not been given a name.

Example Sentence: The error occurred because the function was called on an unnamed object.

Adjective

Sense 1: Not named or not given a specific name.

Example Sentence: The painter's latest artwork is titled "Unnamed Landscape".

Sense 2: Not designated or recognized as being part of an official or recognized group.

Example Sentence: The unnamed soldiers fought fiercely for their country.