desexualize

from The American Heritage® Dictionary of the English Language, 5th Edition.

• transitive verb To take away the sexual quality of.
• transitive verb To desex.

from The Century Dictionary.

• To deprive of sex or sexual characters; castrate.

from the GNU version of the Collaborative International Dictionary of English.

• verb to direct one's libidinous urges into another direction.
• verb same as desex.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb transitive To divest of sexual attributes; to make conceptually asexual.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb make infertile
• verb direct one's libidinous urges into another direction