Main entry: castrate, alter, spay, neuter
Definition: remove the ovaries of
Usage: Is your cat spayed?
Main entry: vary, change, alter
Definition: become different in some particular way, without permanently losing one's or its former characteristics or essence
Usage: her mood changes in accordance with the weather; The supermarket's selection of vegetables varies according to the season
Main entry: alter, change, modify
Definition: cause to change; make different; cause a transformation
Usage: The advent of the automobile may have altered the growth pattern of the city; The discussion has changed my thinking about the issue
Main entry: falsify, alter, interpolate
Definition: insert words into texts, often falsifying it thereby
Main entry: alter
Definition: make an alteration to
Usage: This dress needs to be altered