obscure
ob-scure
verb
To make something difficult to see, hear, or understand.
"Fog obscured the road ahead completely."
adjective
Not widely known, understood, or easily perceived; unclear or mysterious.
"The artist remained obscure throughout his lifetime."
Thesaurus
Synonyms: vague, unclear, invisible, unnoticeable, inconspicuous, unsung, inglorious, unknown, apart, unconnected, isolated, bedim