adjective
- very numerous.
- incapable of being counted; countless.
adjective
- so many as to be uncountable; extremely numerous
mid-14c., from Latin innumerabilis “countless, immeasurable,” from in- “not” (see in- (1)) + numerabilis “able to be numbered,” from numerare “to count, number,” from numerus “a number” (see number (n.)).