in·di·vis·i·ble
/ˌɪndəˈvɪzəbəl/ adjective
formal + literary : impossible to divide or separate : not divisible
▪ an indivisible nation
— in·di·vis·i·bil·i·ty
/ˌɪndəˌvɪzəˈbɪləti/ noun [
noncount]
▪ He believes in the indivisibility of the mind and soul.