1. (verb)change, alter, modify cause to change; make different; cause a transformation Synonyms: change, interchange, interpolate, alter, modify, vary, qualify, commute, shift, exchange, neuter, falsify, castrate, spay, convert, switch, transfer, deepen
2. (verb)change, alter, vary become different in some particular way, without permanently losing one's or its former characteristics or essence Synonyms: change, interchange, variegate, interpolate, alter, motley, modify, vary, commute, shift, exchange, neuter, falsify, castrate, spay, depart, convert, switch, transfer, deviate, diverge, deepen
3. (verb)alter make an alteration to Synonyms: change, vary, modify, spay, neuter, falsify, interpolate, castrate
4. (verb)interpolate, alter, falsify insert words into texts, often falsifying it thereby Synonyms: warp, fudge, interpolate, misrepresent, cook, alter, extrapolate, modify, vary, manipulate, spay, wangle, neuter, falsify, castrate, distort, garble, fake, change
1. alter To change is distinctively to make a thing other than it has been, in some respect at least; to exchange to put or take something else in its place; to alter is ordinarily to change partially Synonyms: change, alter, exchange, shift, transmute, commute, metamorphose, substitute, turn, convert, modify, transfigure, vary, diversify, qualify, transform, veer Antonyms: abide, continue, hold, persist, retain, bide, endure, keep, remain, stay
Synonyms for alter 
