- to make different in some particular, as size, style, course, or the like; modify: to alter a coat; to alter a will; to alter course.
- to castrate or spay.
- to change; become different or modified.
Origin of alter
Examples from the Web for altering
And more trivial modifications like altering bodily odors and promoting a healthy lifestyle.Design Your Own Dinosaur: The Era of Custom DNA
January 8, 2015
He throws every fiber of his being into each performance, altering his posture, elocution, temperament, and more.Oscars 2015: The Daily Beast’s Picks, From Scarlett Johansson to ‘Boyhood’
January 6, 2015
But Francis has also implied that his hands are tied when it comes to changing doctrine or altering church teachings.The Pope vs. the Church on Family Values?
Barbie Latza Nadeau
October 6, 2014
Both keep up the appearance of gaining ground, often omitting or altering facts.Taliban And NATO War on Twitter
November 20, 2013
Is there more to playing a specifically American character than altering your accent?Damian Lewis Spills On ‘Homeland’s’ Shocking Plot Twist and Brody’s Return
October 14, 2013
The train of consequences which follows, is inferred by altering the predicate into 'not many.'Parmenides
But the writing had been set forth, and there was no altering it.The Hound From The North
Crossing of domestic animals, importance in altering breeds, 20.On the Origin of Species by Means of Natural Selection
But the law's the law, and for my own part I'm not in favor of altering it.Tristram of Blent
A stream is not changed by altering the name it bears at its fountain head.
Word Origin and History for altering
late 14c., "to change (something)," from Old French alterer "change, alter," from Medieval Latin alterare "to change," from Latin alter "the other (of the two)," from PIE *al- "beyond" (see alias (adv.)) + comparative suffix -ter (cf. other). Intransitive sense "to become otherwise" first recorded 1580s. Related: Altered; altering.