Open to more than one interpretation: an ambiguous reply.
Doubtful or uncertain: "The theatrical status of her frequently derided but constantly revived plays remained ambiguous” ( Frank Rich).
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.