denaturalize

de·nat·u·ral·ize  (d-nchr--lz)

tr.v. de·nat·u·ral·ized, de·nat·u·ral·iz·ing, de·nat·u·ral·iz·es

1. To make unnatural.

2. To deprive of the rights of citizenship.

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de·natu·ral·i·zation (-r--l-zshn) n.

Thesaurus

Verb	1.	denaturalize - make less natural or unnatural denaturalise alter, change, modify - 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" naturalise, naturalize - make more natural or lifelike
	2.	denaturalize - strip of the rights and duties of citizenship; "The former Nazi was denaturalized" denaturalise alter, change, modify - 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" naturalize, naturalise - make into a citizen; "The French family was naturalized last year"