Definition of "unnerve" []

• To deprive of fortitude, strength, or firmness of purpose. (verb-transitive)
• To make nervous or upset. (verb-transitive)

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.

• "With respect to the financial guidance, now you've given a lot of guidelines but again you haven't reinstated your formal financial guidance and given two good quarters really you've had are you still seeing some things out there that kind of unnerve you a little bit as far as giving formal financial guidance to the Street?"
• "New equity targets would not be introduced when the charter was revised by the end of June because they would "unnerve" investors and companies yet to attain that level, Nogxina said."
• "The militants, he said, spoke of carrying out the attack to "unnerve" the government."