innumerate /ɪˈnjuːmə.ɹət/adjective 1noun 1forms 3 adjective1 •Lacking numeracy.The worry is that we, as a society, will become innumerate, not just illiterate. A.I. appears to be exacerbating an alarming trend in which our basic education is failing our young citizens. — 2025 noun1 •One who lacks numeracy skills.Some innumerates simply refuse to accept that this decade, this century, this millennium all began on Jan. 1, 2001. — 2009 formsinnumerates · more innumerate · most innumerate