sterilize (v.)
- alter
- antisepticize
- autoclave
- boil
- castrate
- change
- chlorinate
- clean
- cleanse
- decontaminate
- delouse
- demasculinize
- desex
- desexualize
- devitalize
- disinfect
- effeminize
- emasculate
- enervate
- etiolate
- exhaust
- fix
- fumigate
- geld
- hygienize
- mutilate
- neuter
- pasteurize
- purify
- sanitate
- sanitize
- spay
- unman
- unnerve
- unsex