Incorrect. The words are synonyms. All single Christians are called to live lives of celibacy/chastity outside of marriage. Sex outside of marriage, known throughout Scripture as fornication, is a sin. One could rightly define it as a doctrine of the devil. Although, from reading your convoluted logic, you probably don't.
celibacy (sèl´e-be-sê) noun
1. Abstinence from sexual intercourse, especially by reason of religious vows.
2. The condition of being unmarried.
chastity (chàs´tî-tê) noun
1. The condition or quality of being pure or chaste.
2. a. Virginity. b. Virtuous character. c. Celibacy.
Excerpted from The American Heritage® Dictionary of the English Language, Third Edition © 1996 by Houghton Mifflin Company. Electronic version licensed from INSO Corporation; further reproduction and distribution in accordance with the Copyright Law of the United States. All rights reserved.