"incapable of being reckoned," 1772, from in- (1) "not, opposite of" + calculable "that can be counted" (see calculate). Related: Incalculably; incalculability.
incalculable riches
inbox
inbred
inbreeding
Inc.
Inca
incalculable
incandescence
incandescent
incantation
incapable
incapacitate