un·clear 
/ˌʌnˈkliɚ/ adjective
/ˌʌnˈkliɚ/ adjective [more unclear; most unclear] 1 : difficult to understand
▪ Their directions were unclear. ▪ The cause of the disease remains unclear. 2 : confused or uncertain about something — often + about ▪ I'm a little unclear about what to do. ▪ She was unclear about whether she would attend.
▪ Their directions were unclear. ▪ The cause of the disease remains unclear.
