/ ˌʌnˈklɪə(r); NAmE -ˈklɪr/ adjective
1.
not clear or definite; difficult to understand or be sure about :
His motives are unclear.
It is unclear whether there is any damage.
Your diagrams are unclear.
2.
unclear (about sth) | unclear (as to sth) not fully understanding sth
SYN uncertain :
I'm unclear about what you want me to do.