unobviable
/ʌnəbˈvɪvɪəs/Definitions
1. adjective
not easily noticed or understood; not obvious
“The unobvious solution to the puzzle took them hours to find.”
2. adjective
difficult to see or understand; obscure
“The unobvious meaning behind the poet’s words has puzzled scholars for centuries.”
3. adjective
not able to be seen or noticed; invisible
“The unobvious threads in the fabric made it difficult to clean.”