incalculable

adjectives

not capable of being computed or enumerated
antonym
is similar to
too numerous to be counted
"incalculable riches"; "countless hours"; "an infinite number of reasons"; "innumerable difficulties"; "the multitudinous seas"; "myriad stars"; "untold thousands"
is similar to
beyond calculation or measure
"of incalculable value"; "an incomputable amount"; "jewels of inestimable value"; "immeasurable wealth"
is similar to
incapable of being definitely ascertained
see also
not capable of being definitely decided or ascertained