Synonyms for alter
verb
To change for a purpose
modify, adjust, remodel, reconstruct; see change 1.
To castrate or spay
castrate, spay, neuter, desex, geld, sterilize, asexualize, emasculate, caponize,
mutilate, fix*.
To become different
change, develop, decay; see change 4. See syn. study atchange.
See alter in Webster's New World Roget's A-Z Thesaurus II
verb
To make or become different:
change, modify, mutate, turn, vary. See changeTo render incapable of reproducing sexually:
castrate, fix, geld, neuter, spay, sterilize, unsex. See reproduction, rich
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