indigestible

indigestible /ˌɪndaɪˈʤɛstəbəl/ adjective
indigestible
/ˌɪndaɪˈʤɛstəbəl/
adjective
Britannica Dictionary definition of INDIGESTIBLE
[more indigestible; most indigestible]
1 
: not capable of being used in the body as food — sometimes + to — often used in an exaggerated way to describe bad or unappealing food
2 
: difficult to understand : complicated or confusing