Secretary of State John Kerry on Thursday rejected the word "war" as a description for the U.S. fight against the Islamic State of Iraq and Syria (ISIS), and he said people should not "get into war fever" over the conflict.

"We're engaged in a major counterterrorism operation, and it's going to be a long-term counterterrorism operation. I think war is the wrong terminology and analogy but the fact is that we are engaged in a very significant global effort to curb terrorist activity," Kerry told CBS News State Department Correspondent Margaret Brennan in an interview from Jeddah, Saudi Arabia, where he is traveling as part of American effort to build a global coalition to battle ISIS.

"I don't think people need to get into war fever on this. I think they have to view it as a heightened level of counter terrorist activity...but it's not dissimilar to what we've been doing the last few years with al Qaeda in Afghanistan and Pakistan and in Yemen and elsewhere," Kerry said....