Synonyms for alter

Verb

1. change, alter, modify

usage: cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"

2. change, alter, vary

usage: make or become different in some particular way, without permanently losing one's or its former characteristics or essence; "her mood changes in accordance with the weather"; "The supermarket's selection of vegetables varies according to the season"

3. alter, change, alter, modify

usage: make an alteration to; "This dress needs to be altered"

4. interpolate, alter, falsify, edit, redact

usage: insert words into texts, often falsifying it thereby

5. alter, neuter, spay, castrate, sterilize, sterilise, desex, unsex, desexualize, desexualise, fix

usage: remove the ovaries of; "Is your cat spayed?"