1 adj If you say that it is arguable that something is true, you believe that it can be supported by evidence and that many people would agree with it.
FORMAL oft it v-link ADJ that
It is arguable that this was not as grave a handicap as it might appear...
2 adj An idea, point, or comment that is arguable is not obviously true or correct and should be questioned.
FORMAL usu v-link ADJ, oft it v-link ADJ whether
(=debatable)
It is arguable whether he ever had much control over the real economic power...