altered UK /ˈɔːl.təd/US /ˈɔl.tɚd/adjective 2noun 1forms 1 adjective2 •Having been changed from an original form.Ralph suppressed the indignation which the schoolmaster’s altered and insolent manner awakened, and asked again why he had not sent to him. — 1839 •(euphemistic) Neutered; having had testicles or uterus and ovaries removed to prevent procreation. noun1 •A kind of car in drag racing, usually with a partial body situated behind the exposed engine. formsaltereds