questionable

questionable /ˈkwɛstʃənəbəl/ adjective
questionable
/ˈkwɛstʃənəbəl/
adjective
Britannica Dictionary definition of QUESTIONABLE
1 
: not likely to be true or correct : giving reason to doubt or question something
2 
: likely to be bad : not worthy of trust
3 
: not certain : unknown or undecided

— questionably

/ˈkwɛstʃənəbli/ adverb