innumerate

[ih-noo-mer-it, ih-nyoo-]

adjective

unfamiliar with mathematical concepts and methods; unable to use mathematics; not numerate.

noun

an innumerate person.

Origin of innumerate

First recorded in 1959; in-3 + numerate
Related formsin·nu·mer·a·cy, noun
Can be confusedilliterate innumerateinnumerable innumerate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for innumeracy

innumerate

adjective

having neither knowledge nor understanding of mathematics or science

noun

an innumerate person
Derived Formsinnumeracy, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012